• Joseph Macaluso b. 1931 first elected in 1963 as Liberal member for Hamilton West, Ontario.
• Lawrence MacAulay b. 1946 first elected in 1988 as Liberal member for Cardigan, Prince Edward Island.
• Arthur Allister MacBain b. 1925 first elected in 1980 as Liberal member for Niagara Falls, Ontario.
• William Burton MacDiarmid b. 1875 first elected in 1940 as Liberal member for Glengarry, Ontario.

• Albert Frederick Macdonald b. 1901 first elected in 1949 as Liberal member for Edmonton East, Alberta.
• Alexander Barrett Macdonald b. 1918 first elected in 1957 as Cooperative Commonwealth Federation member for Vancouver Kingsway, British Columbia.
• Alexander Francis Macdonald b. 1818 first elected in 1874 as Liberal member for Cornwall, Ontario.
• Angus Lewis Macdonald b. 1890 first elected in 1940 as Liberal member for Kingston City, Ontario.
• Angus Ronald Macdonald b. 1901 first elected in 1957 as Progressive Conservative member for Antigonish—Guysborough, Nova Scotia.
• Archibald John Macdonald b. 1876 first elected in 1925 as Liberal member for Glengarry, Ontario.
• Augustine Colin Macdonald b. 1837 first elected in 1873 as Liberal-Conservative member for King's County, Prince Edward Island.
• Daniel Joseph MacDonald b. 1918 first elected in 1972 as Liberal member for Cardigan, Prince Edward Island.
• David MacDonald b. 1936 first elected in 1965 as Progressive Conservative member for Prince, Prince Edward Island.
• Donald Alexander Macdonald b. 1817 first elected in 1867 as Liberal member for Glengarry, Ontario.
• Donald Stovel Macdonald b. 1932 first elected in 1962 as Liberal member for Rosedale, Ontario.
• Edward Mortimer Macdonald b. 1865 first elected in 1904 as Liberal member for Pictou, Nova Scotia.
• Finlay MacDonald b. 1866 first elected in 1925 as Conservative member for Cape Breton South, Nova Scotia.
• Flora Isabel MacDonald b. 1926 first elected in 1972 as Progressive Conservative member for Kingston and the Islands, Ontario.
• Heath MacDonald b. 1966 first elected in 2021 as Liberal member for Malpeque, Prince Edward Island.
• Hugh John Macdonald b. 1850 first elected in 1891 as Liberal-Conservative member for Winnipeg, Manitoba.
• John Macdonald (Canadian politician) b. 1824 first elected in 1875 as Independent Liberal member for Toronto Centre, Ontario.
• John Alexander Macdonald (Prince Edward Island politician) b. 1874 first elected in 1925 as Conservative member for King's, Prince Edward Island.
• John Alexander Macdonald (Nova Scotia politician) b. 1883 first elected in 1925 as Conservative member for Richmond—West Cape Breton, Nova Scotia.
• John Alexander Macdonald b. 1815 first elected in 1867 as Liberal-Conservative member for Kingston, Ontario.
• John Augustine Macdonald b. 1913 first elected in 1957 as Progressive Conservative member for King's, Prince Edward Island.
• John Sandfield Macdonald b. 1812 first elected in 1867 as Liberal member for Cornwall, Ontario.
• Margaret Mary Macdonald b. 1910 first elected in 1961 as Progressive Conservative member for King's, Prince Edward Island.
• Peter Macdonald b. 1835 first elected in 1887 as Liberal member for Huron East, Ontario.
• Ronald MacDonald b. 1955 first elected in 1988 as Liberal member for Dartmouth, Nova Scotia.
• Wilbur MacDonald b. 1933 first elected in 1979 as Progressive Conservative member for Cardigan, Prince Edward Island.
• William Chisholm Macdonald b. 1889 first elected in 1940 as Liberal member for Halifax, Nova Scotia.
• William Ross Macdonald b. 1891 first elected in 1935 as Liberal member for Brantford City, Ontario.
• Angus Claude Macdonell b. 1861 first elected in 1904 as Conservative member for Toronto South, Ontario.
• Donald Greenfield MacDonell b. 1849 first elected in 1880 as Liberal member for Lanark North, Ontario.
• George Hugh Macdonell b. 1851 first elected in 1891 as Conservative member for Algoma, Ontario.
• John Alexander MacDonell b. 1854 first elected in 1896 as Liberal member for Selkirk, Manitoba.
• James MacKerras Macdonnell b. 1884 first elected in 1945 as Progressive Conservative member for Muskoka—Ontario, Ontario.

• Colin MacDougall b. 1834 first elected in 1874 as Liberal member for Elgin East, Ontario.
• Isaac Duncan MacDougall b. 1897 first elected in 1925 as Conservative member for Inverness, Nova Scotia.
• John Alexander Frances MacDougall b. 1947 first elected in 1982 as Progressive Conservative member for Timiskaming, Ontario.
• John Lorne MacDougall b. 1898 first elected in 1949 as Liberal member for Vancouver—Burrard, British Columbia.
• Day Hort MacDowall b. 1850 first elected in 1887 as Conservative member for Provisional District of Saskatchewan, Northwest Territories.
• Allan MacEachen b. 1921 first elected in 1953 as Liberal member for Inverness—Richmond, Nova Scotia.
• Howard Russell Macewan b. 1925 first elected in 1957 as Progressive Conservative member for Pictou, Nova Scotia.
• Angus MacFarlane b. 1925 first elected in 1974 as Liberal member for Hamilton Mountain, Ontario.
• Robert MacFarlane b. 1835 first elected in 1867 as Liberal member for Perth South, Ontario.
• Alistair MacGregor b. 1979 first elected in 2015 as New Democratic Party member for Cowichan—Malahat—Langford, British Columbia.
• Mark R. MacGuigan b. 1931 first elected in 1968 as Liberal member for Windsor—Walkerville, Ontario.
• Angus MacInnis b. 1884 first elected in 1930 as Independent Labour member for Vancouver South, British Columbia.
• Donald MacInnis b. 1918 first elected in 1957 as Progressive Conservative member for Cape Breton South, Nova Scotia.
• Malcolm MacInnis b. 1933 first elected in 1962 as New Democratic Party member for Cape Breton South, Nova Scotia.
• Grace MacInnis b. 1905 first elected in 1965 as New Democratic Party member for Vancouver Kingsway, British Columbia.
• Bryce Mackasey b. 1921 first elected in 1962 as Liberal member for Verdun, Quebec.
• Elmer MacKay b. 1936 first elected in 1971 as Progressive Conservative member for Central Nova, Nova Scotia.
• Newton LeGayet Mackay b. 1832 first elected in 1872 as Conservative member for Cape Breton, Nova Scotia.
• Peter MacKay b. 1965 first elected in 1997 as Progressive Conservative member for Pictou—Antigonish—Guysborough, Nova Scotia.
• David MacKeen b. 1839 first elected in 1887 as Conservative member for Cape Breton, Nova Scotia.
• John Armstrong MacKelvie b. 1865 first elected in 1920 as Conservative member for Yale, British Columbia.
• Alexander Mackenzie b. 1822 first elected in 1867 as Liberal member for Lambton, Ontario.
• Dave MacKenzie b. 1947 first elected in 2004 as Conservative member for Oxford, Ontario.
• Frederick Mackenzie b. 1841 first elected in 1874 as Liberal member for Montreal West, Quebec.
• Frederick Donald MacKenzie b. 1882 first elected in 1935 as Liberal member for Neepawa, Manitoba.
• Hugh Alexander MacKenzie b. 1882 first elected in 1935 as Liberal member for Lambton—Kent, Ontario.
• Ian Alistair Mackenzie b. 1890 first elected in 1930 as Liberal member for Vancouver Centre, British Columbia.
• Henry Arthur Mackie b. 1878 first elected in 1917 as Unionist member for Edmonton East, Alberta.
• Herbert John Mackie b. 1876 first elected in 1917 as Unionist member for Renfrew North, Ontario.
• Thomas Mackie b. 1840 first elected in 1896 as Liberal member for Renfrew North, Ontario.
• Donald Alexander MacKinnon b. 1863 first elected in 1900 as Liberal member for East Queen's, Prince Edward Island.
• George Ernest Lawson MacKinnon b. 1879 first elected in 1940 as National Government member for Kootenay East, British Columbia.
• James Angus MacKinnon b. 1881 first elected in 1935 as Liberal member for Edmonton West, Alberta.
• Steven MacKinnon b. 1966 first elected in 2015 as Liberal member for Gatineau, Quebec.
• Charles Herbert Mackintosh b. 1843 first elected in 1882 as Conservative member for City of Ottawa, Ontario.
• Paul Macklin b. 1944 first elected in 2000 as Liberal member for Northumberland, Ontario.

• Alexander Ferguson MacLaren b. 1854 first elected in 1896 as Conservative member for Perth North, Ontario.
• Murray MacLaren b. 1861 first elected in 1921 as Conservative member for St. John—Albert, New Brunswick.
• Roy MacLaren b. 1934 first elected in 1979 as Liberal member for Etobicoke North, Ontario.
• William Scott MacLaren b. 1845 first elected in 1900 as Liberal member for Huntingdon, Quebec.
• Alexander Kenneth Maclean b. 1869 first elected in 1904 as Liberal member for Lunenburg, Nova Scotia.
• Alfred Edgar MacLean b. 1868 first elected in 1921 as Liberal member for Prince, Prince Edward Island.
• John Angus MacLean b. 1914 first elected in 1951 as Progressive Conservative member for Queen's, Prince Edward Island.
• John Douglas Campbell MacLean b. 1929 first elected in 1958 as Progressive Conservative member for Winnipeg North Centre, Manitoba.
• Matthew MacLean b. 1879 first elected in 1937 as Liberal member for Cape Breton North and Victoria, Nova Scotia.
• William Findlay Maclean b. 1854 first elected in 1892 as Conservative member for York East, Ontario.
• Robert Simpson MacLellan b. 1925 first elected in 1958 as Progressive Conservative member for Inverness—Richmond, Nova Scotia.
• Russell MacLellan b. 1940 first elected in 1979 as Liberal member for Cape Breton—The Sydneys, Nova Scotia.
• Donald MacLennan b. 1877 first elected in 1935 as Liberal member for Inverness—Richmond, Nova Scotia.
• James Maclennan b. 1833 first elected in 1874 as Liberal member for Victoria North, Ontario.
• Donald Macmaster b. 1846 first elected in 1882 as Conservative member for Glengarry, Ontario.
• Cyrus Macmillan b. 1882 first elected in 1940 as Liberal member for Queen's, Prince Edward Island.
• Duncan Macmillan b. 1837 first elected in 1875 as Liberal-Conservative member for Middlesex East, Ontario.
• Frank MacMillan b. 1882 first elected in 1930 as Conservative member for Saskatoon, Saskatchewan.
• John Angus MacMillan b. 1889 first elected in 1933 as Liberal member for Mackenzie, Saskatchewan.
• John Watson MacNaught b. 1904 first elected in 1945 as Liberal member for Prince, Prince Edward Island.
• Alan Aylesworth Macnaughton b. 1903 first elected in 1949 as Liberal member for Mount Royal, Quebec.
• Charles Grant MacNeil b. 1892 first elected in 1935 as Cooperative Commonwealth Federation member for Vancouver North, British Columbia.
• John Ritchie MacNicol b. 1878 first elected in 1930 as Conservative member for Toronto Northwest, Ontario.
• George Taylor MacNutt b. 1865 first elected in 1925 as Conservative member for Colchester, Nova Scotia.
• Thomas MacNutt b. 1850 first elected in 1908 as Liberal member for Saltcoats, Saskatchewan.
• Agnes Macphail b. 1890 first elected in 1921 as Progressive member for Grey Southeast, Ontario.
• Robert George Macpherson b. 1866 first elected in 1903 as Liberal member for Burrard, British Columbia.
• Thomas Henry Macpherson b. 1842 first elected in 1896 as Liberal member for Hamilton, Ontario.
• Heath MacQuarrie b. 1919 first elected in 1957 as Progressive Conservative member for Queen's, Prince Edward Island.
• John Chester MacRae b. 1912 first elected in 1957 as Progressive Conservative member for York—Sunbury, New Brunswick.
• John David MacRae b. 1876 first elected in 1935 as Liberal member for Glengarry, Ontario.
• Lyle MacWilliam b. 1949 first elected in 1988 as New Democratic Party member for Okanagan—Shuswap, British Columbia.

• James William Maddin b. 1874 first elected in 1908 as Liberal-Conservative member for Cape Breton South, Nova Scotia.
• Frank Madill b. 1852 first elected in 1887 as Conservative member for Ontario North, Ontario.
• John Ellwood Madill b. 1915 first elected in 1963 as Progressive Conservative member for Dufferin—Simcoe, Ontario.
• Joseph Alexandre Camille Madore b. 1858 first elected in 1896 as Liberal member for Hochelaga, Quebec.
• Charles Magill b. 1816 first elected in 1867 as Liberal member for Hamilton, Ontario.
• Charles Alexander Magrath b. 1860 first elected in 1908 as Conservative member for Medicine Hat, Alberta.
• Larry Maguire b. 1949 first elected in 2013 as Conservative member for Brandon—Souris, Manitoba.
• John Archibald Maharg b. 1872 first elected in 1917 as Unionist member for Maple Creek, Saskatchewan.
• Shirley Maheu b. 1931 first elected in 1988 as Liberal member for Saint-Laurent, Quebec.
• Pat Mahoney b. 1929 first elected in 1968 as Liberal member for Calgary South, Alberta.
• Steve Mahoney b. 1947 first elected in 1997 as Liberal member for Mississauga West, Ontario.
• Hoang Mai b. 1973 first elected in 2011 as New Democratic Party member for Brossard—La Prairie, Quebec.
• Élie Mailloux b. 1830 first elected in 1872 as Conservative member for Témiscouata, Quebec.
• Claudy Mailly b. 1938 first elected in 1984 as Progressive Conservative member for Gatineau, Quebec.
• Francis William Maine b. 1937 first elected in 1974 as Liberal member for Wellington, Ontario.
• Charles Beautrom Major b. 1851 first elected in 1907 as Liberal member for Labelle, Quebec.
• Robert Benoit Major b. 1915 first elected in 1968 as Liberal member for Argenteuil, Quebec.
• William Joseph Major b. 1896 first elected in 1949 as Liberal member for Glengarry, Ontario.
• Shuvaloy Majumdar first elected in 2023 as Conservative member for Calgary Heritage, Quebec.

• James Malcolm b. 1880 first elected in 1921 as Liberal member for Bruce North, Ontario.
• Sheila Malcolmson b. 1966 first elected in 2015 as New Democratic Party member for Nanaimo—Ladysmith, British Columbia.
• Jean-Claude Malépart b. 1938 first elected in 1979 as Liberal member for Sainte-Marie, Quebec.
• Gurbax Singh Malhi b. 1949 first elected in 1993 as Liberal member for Bramalea—Gore—Malton, Ontario.
• Joseph Léon Vital Mallette b. 1888 first elected in 1935 as Liberal member for Jacques Cartier, Quebec.
• Albert Elhanon Mallory b. 1848 first elected in 1887 as Liberal member for Northumberland East, Ontario.
• Luc Malo b. 1973 first elected in 2006 as Bloc Québécois member for Verchères—Les Patriotes, Quebec.
• Arnold John Malone b. 1937 first elected in 1974 as Progressive Conservative member for Battle River, Alberta.
• Arthur Edward Martin Maloney b. 1919 first elected in 1957 as Progressive Conservative member for Parkdale, Ontario.
• James Maloney b. 1964 first elected in 2015 as Liberal member for Etobicoke—Lakeshore, Ontario.
• John Maloney b. 1945 first elected in 1993 as Liberal member for Erie, Ontario.
• John William Maloney b. 1884 first elected in 1945 as Liberal member for Northumberland, New Brunswick.
• Martin James Maloney b. 1877 first elected in 1925 as Conservative member for Renfrew South, Ontario.
• Arthur Cyrille Albert Malouin b. 1857 first elected in 1898 as Liberal member for Quebec-Centre, Quebec.
• Jacques Malouin b. 1826 first elected in 1877 as Independent member for Quebec-Centre, Quebec.
• Jim Maloway b. 1952 first elected in 2008 as New Democratic member for Elmwood—Transcona, Manitoba.
• André Maltais b. 1948 first elected in 1979 as Liberal member for Manicouagan, Quebec.
• Auguste Maltais b. 1916 first elected in 1949 as Liberal member for Charlevoix, Quebec.
• Lauréat Maltais b. 1923 first elected in 1962 as Social Credit member for Saguenay, Quebec.
• Peter Mancini b. 1956 first elected in 1997 as New Democratic Party member for Sydney—Victoria, Nova Scotia.
• Nick Mandziuk b. 1902 first elected in 1957 as Progressive Conservative member for Marquette, Manitoba.
• Henry Philip Mang b. 1897 first elected in 1953 as Liberal member for Qu'Appelle, Saskatchewan.
• Robert James Manion b. 1881 first elected in 1917 as Unionist member for Fort William and Rainy River, Ontario.
• John Manley b. 1950 first elected in 1988 as Liberal member for Ottawa South, Ontario.
• James Douglas Manly b. 1932 first elected in 1980 as New Democratic Party member for Cowichan—Malahat—The Islands, British Columbia.
• Paul Manly b. 1964 first elected in 2019 as Green member for Nanaimo—Ladysmith, British Columbia.
• Fabian Manning b. 1964 first elected in 2006 as Conservative member for Avalon, Newfoundland and Labrador
• Preston Manning b. 1942 first elected in 1993 as Reform member for Calgary Southwest, Alberta.
• Park Manross b. 1895 first elected in 1945 as Progressive Conservative member for London, Ontario.
• David Ames Manson b. 1841 first elected in 1880 as Liberal-Conservative member for Brome, Quebec.
• Moe Mantha b. 1933 first elected in 1984 as Progressive Conservative member for Nipissing, Ontario.

• John Andrew Mara b. 1840 first elected in 1887 as Conservative member for Yale, British Columbia.
• Gilles Marceau b. 1928 first elected in 1968 as Liberal member for Lapointe, Quebec.
• Richard Marceau b. 1970 first elected in 1997 as Bloc Québécois member for Charlesbourg, Quebec.
• Jean Marchand b. 1918 first elected in 1965 as Liberal member for Quebec West, Quebec.
• Jean-Paul Marchand b. 1944 first elected in 1993 as Bloc Québécois member for Québec-Est, Quebec.
• Leonard Marchand b. 1933 first elected in 1968 as Liberal member for Kamloops—Cariboo, British Columbia.
• Sergio Marchi b. 1956 first elected in 1984 as Liberal member for York West, Ontario.
• Charles Marcil b. 1860 first elected in 1900 as Liberal member for Bonaventure, Quebec.
• Serge Marcil b. 1944 first elected in 2000 as Liberal member for Beauharnois—Salaberry, Quebec.
• Simon Marcil first elected in 2015 as Bloc Québécois member for Mirabel, Quebec.
• Joseph Edmond Marcile b. 1854 first elected in 1898 as Liberal member for Bagot, Quebec.
• François Arthur Marcotte b. 1866 first elected in 1896 as Conservative member for Champlain, Quebec.
• Guy Marcoux b. 1924 first elected in 1962 as Social Credit member for Québec—Montmorency, Quebec.
• Elphège Marier b. 1888 first elected in 1939 as Liberal member for Jacques Cartier, Quebec.
• Charles-Eugène Marin b. 1925 first elected in 1984 as Progressive Conservative member for Gaspé, Quebec.
• Inky Mark b. 1947 first elected in 1997 as Reform member for Dauphin—Swan River, Manitoba.
• Diane Marleau b. 1943 first elected in 1988 as Liberal member for Sudbury, Ontario.
• George Carlyle Marler b. 1901 first elected in 1954 as Liberal member for Saint-Antoine—Westmount, Quebec.
• Herbert Meredith Marler b. 1876 first elected in 1921 as Liberal member for St. Lawrence—St. George, Quebec.
• Eugène Marquis b. 1901 first elected in 1945 as Liberal member for Kamouraska, Quebec.
• John Allmond Marsh b. 1894 first elected in 1937 as Conservative member for Hamilton West, Ontario.
• David Marshall b. 1846 first elected in 1906 as Conservative member for Elgin East, Ontario.
• Jack Marshall b. 1919 first elected in 1968 as Progressive Conservative member for Humber—St. George's—St. Barbe, Newfoundland and Labrador.
• James Alexander Marshall b. 1888 first elected in 1935 as Social Credit member for Camrose, Alberta.
• Joseph Henry Marshall b. 1854 first elected in 1887 as Conservative member for Middlesex East, Ontario.
• Wayne Marston b. 1947 first elected in 2006 as New Democratic Party member for Hamilton East—Stoney Creek, Ontario.

• Jean-Jacques Martel b. 1927 first elected in 1958 as Progressive Conservative member for Chapleau, Quebec.
• Lewis Herbert Martell b. 1885 first elected in 1921 as Liberal member for Hants, Nova Scotia.
• Richard Martel b. 1961 first elected in 2018 as Conservative member for Chicoutimi—Le Fjord, Quebec.
• Alan Gray Martin b. 1930 first elected in 1974 as Liberal member for Scarborough West, Ontario.
• Alexander Martin b. 1842 first elected in 1896 as Conservative member for East Queen's, Prince Edward Island.
• Alexander Munro Martin b. 1852 first elected in 1907 as Liberal member for Wellington North, Ontario.
• Joseph Martin b. 1852 first elected in 1893 as Liberal member for Winnipeg, Manitoba.
• Keith Martin b. 1960 first elected in 1993 as Reform member for Esquimalt—Juan de Fuca, British Columbia.
• Médéric Martin b. 1869 first elected in 1906 as Liberal member for St. Mary, Quebec.
• Murdo Martin b. 1917 first elected in 1957 as Cooperative Commonwealth Federation member for Timmins, Ontario.
• Pat Martin b. 1955 first elected in 1997 as New Democratic Party member for Winnipeg Centre, Manitoba.
• Paul Martin b. 1938 first elected in 1988 as Liberal member for LaSalle—Émard, Quebec.
• Paul Martin Sr. b. 1903 first elected in 1935 as Liberal member for Essex East, Ontario.
• Peter Francis Martin b. 1856 first elected in 1917 as Unionist member for Halifax, Nova Scotia.
• Shirley Martin b. 1932 first elected in 1984 as Progressive Conservative member for Lincoln, Ontario.
• Thomas Martin b. 1850 first elected in 1904 as Liberal member for Wellington North, Ontario.
• Tony Martin b. 1948 first elected in 2004 as New Democratic Party member for Sault Ste. Marie, Ontario.
• William Melville Martin b. 1876 first elected in 1908 as Liberal member for Regina, Saskatchewan.
• Paul Raymond Martineau b. 1921 first elected in 1958 as Progressive Conservative member for Pontiac—Témiscamingue, Quebec.
• Pierre-Raymond-Léonard Martineau b. 1857 first elected in 1898 as Liberal member for Montmagny, Quebec.
• Soraya Martinez Ferrada b. 1972 first elected in 2015 as Liberal member for Hochelaga, Quebec.
• Quinto Martini b. 1908 first elected in 1957 as Progressive Conservative member for Hamilton East, Ontario.

• Peter Masniuk b. 1920 first elected in 1972 as Progressive Conservative member for Portage, Manitoba.
• Arthur Massé b. 1894 first elected in 1949 as Independent Liberal member for Kamouraska, Quebec.
• Brian Masse b. 1968 first elected in 2002 as New Democratic Party member for Windsor West, Ontario.
• Marcel Masse b. 1936 first elected in 1984 as Progressive Conservative member for Frontenac, Quebec.
• Marcel Massé b. 1940 first elected in 1993 as Liberal member for Hull—Aylmer, Quebec.
• Paul-André Massé b. 1941 first elected in 1979 as Liberal member for Saint-Jean, Quebec.
• Rémi Massé first elected in 2015 as Liberal member for Avignon—La Mitis—Matane—Matapédia, Quebec.
• Denton Massey b. 1900 first elected in 1935 as Conservative member for Greenwood, Ontario.
• James Masson b. 1847 first elected in 1887 as Conservative member for Grey North, Ontario.
• Louis-François-Rodrigue Masson b. 1833 first elected in 1867 as Conservative member for Terrebonne, Quebec.
• Luc Hyacinthe Masson b. 1811 first elected in 1867 as Conservative member for Soulanges, Quebec.
• Joseph-Aimé Massue b. 1860 first elected in 1887 as Conservative member for Richelieu, Quebec.
• Louis Huet Massue b. 1828 first elected in 1878 as Liberal-Conservative member for Richelieu, Quebec.
• Jack Masters b. 1931 first elected in 1980 as Liberal member for Thunder Bay—Nipigon, Ontario.

• Barry Mather b. 1909 first elected in 1962 as New Democratic Party member for New Westminster, British Columbia.
• John Ross Matheson b. 1917 first elected in 1961 as Liberal member for Leeds, Ontario.
• Joseph Matheson b. 1833 first elected in 1900 as Liberal member for Richmond, Nova Scotia.
• Neil Alexander Matheson b. 1904 first elected in 1953 as Liberal member for Queen's, Prince Edward Island.
• Michel Mathieu b. 1838 first elected in 1872 as Conservative member for Richelieu, Quebec.
• Irene Mathyssen b. 1951 first elected in 2006 as New Democratic Party member for London—Fanshawe, Ontario.
• Lindsay Mathyssen first elected in 2019 as New Democratic Party member for London—Fanshawe, Ontario.
• Jean-Paul Matte b. 1914 first elected in 1962 as Liberal member for Champlain, Quebec.
• René Matte b. 1935 first elected in 1968 as Ralliement Créditiste member for Champlain, Quebec.
• Bill Matthews b. 1947 first elected in 1997 as Progressive Conservative member for Burin—St. George's, Newfoundland and Labrador.
• James Ewen Matthews b. 1869 first elected in 1938 as Liberal member for Brandon, Manitoba.
• James Herbert Matthews b. 1883 first elected in 1945 as Cooperative Commonwealth Federation member for Kootenay East, British Columbia.
• Robert Charles Matthews b. 1871 first elected in 1926 as Conservative member for Toronto East Centre, Ontario.
• Walter Franklyn Matthews b. 1900 first elected in 1958 as Progressive Conservative member for Nanaimo, British Columbia.
• George Ritchie Maxwell b. 1857 first elected in 1896 as Liberal member for Burrard, British Columbia.
• Bryan May b. 1974 first elected in 2015 as Liberal member for Cambridge, Ontario.
• Elizabeth May b. 1954 first elected in 2011 as Green member for Saanich—Gulf Islands, British Columbia.
• Ralph Maybank b. 1890 first elected in 1935 as Liberal member for Winnipeg South Centre, Manitoba.
• Milton Edgar Maybee b. 1872 first elected in 1921 as Conservative member for Northumberland, Ontario.
• Charles James Mayer b. 1936 first elected in 1979 as Progressive Conservative member for Portage—Marquette, Manitoba.
• Colin Mayes b. 1948 first elected in 2006 as Conservative member for Okanagan—Shuswap, British Columbia.
• Philip Mayfield b. 1937 first elected in 1993 as Reform member for Cariboo—Chilcotin, British Columbia.
• Robert Wellington Mayhew b. 1880 first elected in 1937 as Liberal member for Victoria, British Columbia.
• Hormidas Mayrand b. 1858 first elected in 1903 as Liberal member for Maskinongé, Quebec.
• Don Mazankowski b. 1935 first elected in 1968 as Progressive Conservative member for Vegreville, Alberta.
• Dan Mazier first elected in 2019 as Conservative member for Dauphin—Swan River—Neepawa, Manitoba.

• John McAdam b. 1807 first elected in 1872 as Liberal-Conservative member for Charlotte, New Brunswick.
• Duncan Hamilton McAlister b. 1872 first elected in 1908 as Liberal member for King's and Albert, New Brunswick.
• John McAlister b. 1842 first elected in 1891 as Liberal-Conservative member for Restigouche, New Brunswick.
• Allan Getchell McAvity b. 1882 first elected in 1938 as Liberal member for St. John—Albert, New Brunswick.
• James Alexander McBain b. 1910 first elected in 1954 as Progressive Conservative member for Elgin, Ontario.
• Murray Arndell McBride b. 1935 first elected in 1968 as Liberal member for Lanark and Renfrew, Ontario.
• Thomas George McBride b. 1867 first elected in 1921 as Progressive member for Cariboo, British Columbia.

• Fred Alward McCain b. 1917 first elected in 1972 as Progressive Conservative member for Carleton—Charlotte, New Brunswick.
• Alexander McCall b. 1844 first elected in 1908 as Conservative member for Norfolk, Ontario.
• Angus Neil McCallum b. 1892 first elected in 1937 as Liberal member for Frontenac—Addington, Ontario.
• John McCallum b. 1950 first elected in 2000 as Liberal member for Markham, Ontario.
• Lachlan McCallum b. 1823 first elected in 1867 as Liberal-Conservative member for Monck, Ontario.
• James Joseph McCann b. 1887 first elected in 1935 as Liberal member for Renfrew South, Ontario.
• D'Alton McCarthy b. 1836 first elected in 1876 as Conservative member for Cardwell, Ontario.
• Leighton Goldie McCarthy b. 1869 first elected in 1898 as Independent member for Simcoe North, Ontario.
• Maitland Stewart McCarthy b. 1872 first elected in 1904 as Conservative member for Calgary, Northwest Territories.
• Thomas McCarthy b. 1832 first elected in 1867 as Conservative member for Richelieu, Quebec.
• Gary Francis McCauley b. 1940 first elected in 1979 as Liberal member for Moncton, New Brunswick.
• Kelly McCauley b. 1964 first elected in 2015 as Conservative member for Edmonton West, Alberta.
• William McCleary b. 1853 first elected in 1896 as Conservative member for Welland, Ontario.
• Robert Jardine McCleave b. 1922 first elected in 1957 as Progressive Conservative member for Halifax, Nova Scotia.
• Ian McClelland b. 1942 first elected in 1993 as Reform member for Edmonton Southwest, Alberta.
• Stewart McClenaghan b. 1867 first elected in 1925 as Conservative member for City of Ottawa, Ontario.
• Firman McClure b. 1861 first elected in 1897 as Liberal member for Colchester, Nova Scotia.
• Archibald Blake McCoig b. 1873 first elected in 1908 as Liberal member for Kent West, Ontario.
• John B. McColl b. 1861 first elected in 1900 as Liberal member for Northumberland West, Ontario.
• Phil McColeman b. 1954 first elected in 2008 as Conservative member for Brant, Ontario.
• Thomas Henry McConica b. 1855 first elected in 1921 as Progressive member for Battleford, Saskatchewan.
• Thomas David McConkey b. 1815 first elected in 1867 as Liberal member for Simcoe North, Ontario.
• Lewis Arthur McConville b. 1849 first elected in 1880 as Conservative member for Joliette, Quebec.
• Charles Arthur McCool b. 1853 first elected in 1900 as Liberal member for Nipissing, Ontario.
• George McCormick b. 1856 first elected in 1896 as Liberal-Conservative member for Muskoka and Parry Sound, Ontario.
• Larry McCormick b. 1940 first elected in 1993 as Liberal member for Hastings—Frontenac—Lennox and Addington, Ontario.

• George Ewan McCraney b. 1868 first elected in 1906 as Liberal member for Saskatchewan, Saskatchewan.
• William McCraney b. 1831 first elected in 1875 as Liberal member for Halton, Ontario.
• Francis McCrea b. 1852 first elected in 1911 as Liberal member for Town of Sherbrooke, Quebec.
• William Forsythe McCreary b. 1855 first elected in 1900 as Liberal member for Selkirk, Manitoba.
• Peter L. McCreath b. 1943 first elected in 1988 as Progressive Conservative member for South Shore, Nova Scotia.
• Karen McCrimmon b. 1959 first elected in 2015 as Liberal member for Kanata—Carleton, Ontario.
• William Paul Joseph McCrossan b. 1942 first elected in 1978 as Progressive Conservative member for York—Scarborough, Ontario.
• Duncan Fletcher McCuaig b. 1889 first elected in 1935 as Liberal member for Simcoe North, Ontario.
• Duncan John McCuaig b. 1882 first elected in 1945 as Cooperative Commonwealth Federation member for Maple Creek, Saskatchewan.
• James Simeon McCuaig b. 1819 first elected in 1878 as Conservative member for Prince Edward, Ontario.
• Robert McCubbin b. 1902 first elected in 1940 as Liberal member for Middlesex West, Ontario.
• Robert Lorne McCuish b. 1923 first elected in 1979 as Progressive Conservative member for Prince George—Bulkley Valley, British Columbia.
• William Armstrong McCulla b. 1837 first elected in 1887 as Conservative member for Peel, Ontario.
• Henry Byron McCulloch b. 1877 first elected in 1935 as Liberal member for Pictou, Nova Scotia.
• Edward George McCullough b. 1909 first elected in 1945 as Cooperative Commonwealth Federation member for Assiniboia, Saskatchewan.
• Fleming Blanchard McCurdy b. 1875 first elected in 1911 as Conservative member for Shelburne and Queen's, Nova Scotia.
• Howard McCurdy b. 1932 first elected in 1984 as New Democratic Party member for Windsor—Walkerville, Ontario.
• Emmett Andrew McCusker b. 1889 first elected in 1949 as Liberal member for Regina City, Saskatchewan.
• Maclyn McCutcheon b. 1912 first elected in 1963 as Progressive Conservative member for Lambton—Kent, Ontario.

• George Manning McDade b. 1893 first elected in 1930 as Conservative member for Northumberland, New Brunswick.
• Sydney Smith McDermand b. 1868 first elected in 1920 as United Farmers of Ontario member for Elgin East, Ontario.
• John Horton McDermid b. 1940 first elected in 1979 as Progressive Conservative member for Brampton—Georgetown, Ontario.
• John Stewart McDiarmid b. 1882 first elected in 1926 as Liberal member for Winnipeg South, Manitoba.
• Angus McDonald b. 1867 first elected in 1920 as Independent member for Timiskaming, Ontario.
• Angus Peter McDonald b. 1813 first elected in 1867 as Conservative member for Middlesex West, Ontario.
• Charles McDonald b. 1867 first elected in 1925 as Liberal member for Prince Albert, Saskatchewan.
• Duncan McDonald b. 1839 first elected in 1878 as Liberal member for Victoria, Nova Scotia.
• Edmund Mortimer McDonald b. 1825 first elected in 1867 as Anti-Confederate member for Lunenburg, Nova Scotia.
• George William McDonald b. 1875 first elected in 1935 as Liberal-Progressive member for Souris, Manitoba.
• Hugh McDonald b. 1827 first elected in 1867 as Anti-Confederate member for Antigonish, Nova Scotia.
• James McDonald b. 1828 first elected in 1872 as Conservative member for Pictou, Nova Scotia.
• John Archibald McDonald b. 1851 first elected in 1887 as Conservative member for Victoria, Nova Scotia.
• Ken McDonald b. 1959 first elected in 2015 as Liberal member for Avalon, Newfoundland and Labrador.
• Lynn McDonald b. 1940 first elected in 1982 as New Democratic Party member for Broadview—Greenwood, Ontario.
• Robert Matthew Turnbull McDonald b. 1931 first elected in 1957 as Progressive Conservative member for Hamilton South, Ontario.
• Wallace Reginald McDonald b. 1876 first elected in 1935 as Liberal member for Pontiac, Quebec.
• Wilfred Kennedy "Bucko" McDonald b. 1911 first elected in 1945 as Liberal member for Parry Sound, Ontario.
• William McDonald b. 1837 first elected in 1872 as Conservative member for Cape Breton, Nova Scotia.
• William Walter McDonald b. 1844 first elected in 1892 as Conservative member for Assiniboia East, Northwest Territories.
• Samuel McDonnell b. 1834 first elected in 1872 as Conservative member for Inverness, Nova Scotia.
• Alexa McDonough b. 1944 first elected in 1997 as New Democratic Party member for Halifax, Nova Scotia.
• John McDougald b. 1848 first elected in 1881 as Liberal-Conservative member for Pictou, Nova Scotia.
• Barbara McDougall b. 1937 first elected in 1984 as Progressive Conservative member for St. Paul's, Ontario.
• Hector Francis McDougall b. 1848 first elected in 1884 as Liberal-Conservative member for Cape Breton, Nova Scotia.
• John Lorn McDougall b. 1838 first elected in 1869 as Liberal member for Renfrew South, Ontario.
• William McDougall b. 1831 first elected in 1868 as Conservative member for Three Rivers, Quebec.
• William McDougall b. 1822 first elected in 1867 as Liberal-Conservative member for Lanark North, Ontario.
• George McEwen b. 1849 first elected in 1900 as Liberal member for Huron South, Ontario.
• Murray Lincoln McFarlane b. 1908 first elected in 1958 as Progressive Conservative member for Kootenay East, British Columbia.

• Moses Elijah McGarry b. 1878 first elected in 1940 as Liberal member for Inverness—Richmond, Nova Scotia.
• Frank Charles McGee b. 1926 first elected in 1957 as Progressive Conservative member for York—Scarborough, Ontario.
• Thomas D'Arcy McGee b. 1825 first elected in 1867 as Liberal-Conservative member for Montreal West, Quebec.
• Gerald Grattan McGeer b. 1888 first elected in 1935 as Liberal member for Vancouver—Burrard, British Columbia.
• James Wright McGibbon b. 1901 first elected in 1940 as Liberal member for Argenteuil, Quebec.
• Peter McGibbon b. 1873 first elected in 1917 as Unionist member for Muskoka, Ontario.
• Peter Robert McGibbon b. 1854 first elected in 1917 as Laurier Liberal member for Argenteuil, Quebec.
• Angus McGillis b. 1874 first elected in 1930 as Conservative member for Glengarry, Ontario.
• John Alexander McGillivray b. 1853 first elected in 1895 as Liberal-Conservative member for Ontario North, Ontario.
• Harold Buchanan McGiverin b. 1870 first elected in 1908 as Liberal member for City of Ottawa, Ontario.
• John McGowan b. 1845 first elected in 1900 as Liberal-Conservative member for Wellington Centre, Ontario.
• James Aloysius McGrath b. 1932 first elected in 1957 as Progressive Conservative member for St. John's East, Newfoundland and Labrador.
• Thomas McGreevy b. 1825 first elected in 1867 as Liberal-Conservative member for Quebec West, Quebec.
• Alexander McGregor b. 1864 first elected in 1917 as Unionist member for Pictou, Nova Scotia.
• Robert Henry McGregor b. 1886 first elected in 1926 as Conservative member for York South, Ontario.
• William McGregor b. 1836 first elected in 1874 as Liberal member for Essex, Ontario.
• Malcolm McGugan b. 1846 first elected in 1896 as Liberal member for Middlesex South, Ontario.
• David J. McGuinty b. 1960 first elected in 2004 as Liberal member for Ottawa South, Ontario.
• Joseph Blair McGuire b. 1944 first elected in 1988 as Liberal member for Egmont, Prince Edward Island.
• George McHugh b. 1845 first elected in 1896 as Liberal member for Victoria South, Ontario.

• George James McIlraith b. 1908 first elected in 1940 as Liberal member for Ottawa West, Ontario.
• George Valentine McInerney b. 1857 first elected in 1892 as Liberal-Conservative member for Kent, New Brunswick.
• Stewart Donald McInnes b. 1937 first elected in 1984 as Progressive Conservative member for Halifax, Nova Scotia.
• Thomas Robert McInnes b. 1840 first elected in 1878 as Independent member for New Westminster, British Columbia.
• William Wallace Burns McInnes b. 1871 first elected in 1896 as Liberal member for Vancouver, British Columbia.
• Cameron Ross McIntosh b. 1871 first elected in 1925 as Liberal member for North Battleford, Saskatchewan.
• John McIntosh b. 1841 first elected in 1900 as Conservative member for Town of Sherbrooke, Quebec.
• John McIntosh b. 1909 first elected in 1958 as Progressive Conservative member for Swift Current—Maple Creek, Saskatchewan.
• John Charles McIntosh b. 1874 first elected in 1917 as Unionist member for Nanaimo, British Columbia.
• Gilbert Howard McIntyre b. 1852 first elected in 1904 as Liberal member for Perth South, Ontario.
• Peter Adolphus McIntyre b. 1840 first elected in 1874 as Liberal member for King's County, Prince Edward Island.
• Wilbert McIntyre b. 1867 first elected in 1906 as Liberal member for Strathcona, Alberta.
• Angus McIsaac b. 1842 first elected in 1873 as Liberal member for Antigonish, Nova Scotia.
• Colin Francis McIsaac b. 1854 first elected in 1895 as Liberal member for Antigonish, Nova Scotia.
• James McIsaac b. 1854 first elected in 1917 as Unionist member for King's, Prince Edward Island.
• Joseph Clifford McIsaac b. 1930 first elected in 1974 as Liberal member for Battleford—Kindersley, Saskatchewan.
• Daniel McIvor b. 1873 first elected in 1935 as Liberal member for Fort William, Ontario.

• Alexander McKay b. 1843 first elected in 1887 as Conservative member for Hamilton, Ontario.
• Angus McKay b. 1836 first elected in 1871 as Conservative member for Marquette, Manitoba.
• Eric Bowness McKay b. 1899 first elected in 1945 as Cooperative Commonwealth Federation member for Weyburn, Saskatchewan.
• James McKay b. 1862 first elected in 1911 as Conservative member for Prince Albert, Saskatchewan.
• John McKay b. 1948 first elected in 1997 as Liberal member for Scarborough East, Ontario.
• Matthew McKay b. 1858 first elected in 1921 as Liberal member for Renfrew North, Ontario.
• Thomas McKay b. 1839 first elected in 1874 as Liberal-Conservative member for Colchester, Nova Scotia.
• James Charles McKeagney b. 1815 first elected in 1867 as Anti-Confederate member for Cape Breton, Nova Scotia.
• Catherine McKenna b. 1971 first elected in 2015 as Liberal member for Ottawa Centre, Ontario.
• A. Daniel McKenzie b. 1924 first elected in 1972 as Progressive Conservative member for Winnipeg South Centre, Manitoba.
• Daniel Duncan McKenzie b. 1859 first elected in 1904 as Liberal member for North Cape Breton and Victoria, Nova Scotia.
• Peter H. McKenzie b. 1845 first elected in 1904 as Liberal member for Bruce South, Ontario.
• Robert McKenzie b. 1875 first elected in 1925 as Liberal member for Assiniboia, Saskatchewan.
• Hugh Cummings McKillop b. 1872 first elected in 1921 as Conservative member for Elgin West, Ontario.
• Robert Elgin McKinley b. 1928 first elected in 1965 as Progressive Conservative member for Huron, Ontario.
• Allan McKinnon b. 1917 first elected in 1972 as Progressive Conservative member for Victoria, British Columbia.
• Glen McKinnon b. 1937 first elected in 1993 as Liberal member for Brandon—Souris, Manitoba.
• Hugh Bathgate McKinnon b. 1885 first elected in 1934 as Liberal member for Kenora—Rainy River, Ontario.
• Ron McKinnon b. 1951 first elected in 2015 as Liberal member for Coquitlam—Port Coquitlam, British Columbia.
• William Hunter McKnight b. 1940 first elected in 1979 as Progressive Conservative member for Kindersley—Lloydminster, Saskatchewan.

• Daniel McLachlin b. 1810 first elected in 1867 as Liberal member for Renfrew South, Ontario.
• Norman Alexander McLarty b. 1889 first elected in 1935 as Liberal member for Essex West, Ontario.
• Audrey McLaughlin b. 1936 first elected in 1987 as New Democratic Party member for Yukon, Yukon.
• Allan M.A. McLean b. 1891 first elected in 1962 as Liberal member for Charlotte, New Brunswick.
• Andrew Young McLean b. 1909 first elected in 1949 as Liberal member for Huron—Perth, Ontario.
• Angus Alexander McLean b. 1854 first elected in 1904 as Conservative member for Queen's, Prince Edward Island.
• George Alexander McLean b. 1885 first elected in 1935 as Liberal member for Simcoe East, Ontario.
• Greg McLean first elected in 2019 as Conservative member for Calgary Centre, Alberta.
• Hugh Havelock McLean b. 1854 first elected in 1908 as Liberal member for Sunbury—Queen's, New Brunswick.
• John McLean b. 1846 first elected in 1891 as Conservative member for King's County, Prince Edward Island.
• Malcolm McLean b. 1883 first elected in 1925 as Liberal member for Melfort, Saskatchewan.
• Michael Dalton McLean b. 1880 first elected in 1930 as Conservative member for Kootenay East, British Columbia.
• Murdo Young McLean b. 1848 first elected in 1908 as Liberal member for Huron South, Ontario.
• Peter Douglas McLean b. 1856 first elected in 1907 as Liberal member for York Centre, Ontario.
• Walter Franklin McLean b. 1936 first elected in 1979 as Progressive Conservative member for Waterloo, Ontario.
• Archibald McLelan b. 1824 first elected in 1867 as Anti-Confederate member for Colchester, Nova Scotia.
• Anne McLellan b. 1950 first elected in 1993 as Liberal member for Edmonton Northwest, Alberta.
• Bernard Donald McLellan b. 1859 first elected in 1898 as Liberal member for West Prince, Prince Edward Island.
• Ronald David McLelland b. 1926 first elected in 1965 as Progressive Conservative member for Rosetown—Biggar, Saskatchewan.
• Angus MacLennan b. 1844 first elected in 1896 as Liberal member for Inverness, Nova Scotia.
• John McLennan b. 1821 first elected in 1878 as Liberal-Conservative member for Glengarry, Ontario.
• Roderick R. McLennan b. 1842 first elected in 1891 as Conservative member for Glengarry, Ontario.
• William Alexander McLennan b. 1903 first elected in 1958 as Progressive Conservative member for New Westminster, British Columbia.
• Angus McLeod b. 1857 first elected in 1900 as Liberal-Conservative member for Ontario North, Ontario.
• Cathy McLeod b. 1957 first elected in 2008 as Conservative member for Kamloops—Thompson—Cariboo, Alberta.
• Ezekiel McLeod b. 1840 first elected in 1891 as Conservative member for City of St. John, New Brunswick.
• George McLeod b. 1836 first elected in 1874 as Independent member for Kent, New Brunswick.
• George William McLeod b. 1896 first elected in 1953 as Social Credit member for Okanagan—Revelstoke, British Columbia.
• Harry Fulton McLeod b. 1871 first elected in 1913 as Conservative member for York, New Brunswick.
• Hugh McLeod b. 1843 first elected in 1878 as Liberal-Conservative member for Cape Breton, Nova Scotia.
• Michael McLeod b. 1959 first elected in 2015 as Liberal member for Northwest Territories.
• William Mackenzie McLeod b. 1854 first elected in 1879 as Liberal-Conservative member for Cape Breton, Nova Scotia.
• Winfield Chester Scott McLure b. 1875 first elected in 1930 as Conservative member for Queen's, Prince Edward Island.

• John McMartin b. 1870 first elected in 1917 as Unionist member for Glengarry and Stormont, Ontario.
• Andrew Ross McMaster b. 1876 first elected in 1917 as Laurier Liberal member for Brome, Quebec.
• William Alexander McMaster b. 1879 first elected in 1945 as Progressive Conservative member for High Park, Ontario.
• Donald McMillan b. 1807 first elected in 1867 as Conservative member for Vaudreuil, Quebec.
• Hugh McMillan b. 1839 first elected in 1882 as Conservative member for Vaudreuil, Quebec.
• John McMillan b. 1823 first elected in 1882 as Liberal member for Huron South, Ontario.
• John McMillan b. 1816 first elected in 1867 as Liberal member for Restigouche, New Brunswick.
• John Angus McMillan b. 1874 first elected in 1908 as Liberal member for Glengarry, Ontario.
• Thomas McMillan b. 1864 first elected in 1925 as Liberal member for Huron South, Ontario.
• Thomas McMillan b. 1945 first elected in 1979 as Progressive Conservative member for Hillsborough, Prince Edward Island.
• William Hector McMillan b. 1892 first elected in 1950 as Liberal member for Welland, Ontario.
• John Ernest McMillin b. 1884 first elected in 1949 as Progressive Conservative member for Greenwood, Ontario.
• James McMonies b. 1800 first elected in 1867 as Liberal member for Wentworth North, Ontario.
• James McMullen b. 1833 first elected in 1882 as Liberal member for Wellington North, Ontario.
• Edward James McMurray b. 1878 first elected in 1921 as Liberal member for Winnipeg North, Manitoba.
• Archibald McNab b. 1826 first elected in 1875 as Liberal member for Glengarry, Ontario.
• Grant McNally b. 1962 first elected in 1997 as Reform member for Dewdney—Alouette, British Columbia.
• Alexander McNeill b. 1842 first elected in 1882 as Liberal-Conservative member for Bruce North, Ontario.
• Thomas Bruce McNevin b. 1884 first elected in 1935 as Liberal member for Victoria, Ontario.
• Donald Alexander McNiven b. 1887 first elected in 1935 as Liberal member for Regina City, Saskatchewan.
• James McNulty b. 1918 first elected in 1962 as Liberal member for Lincoln, Ontario.

• George Washington McPhee b. 1880 first elected in 1925 as Liberal member for Yorkton, Saskatchewan.
• Ewan McPherson b. 1878 first elected in 1926 as Liberal member for Portage la Prairie, Manitoba.
• Heather McPherson b. 1972 first elected in 2019 as New Democratic Party member for Edmonton Strathcona, Alberta.
• Albert DeBurgo McPhillips b. 1904 first elected in 1957 as Progressive Conservative member for Victoria, British Columbia.
• Arthur McQuade b. 1817 first elected in 1874 as Conservative member for Victoria South, Ontario.
• Melvin James McQuaid b. 1911 first elected in 1965 as Progressive Conservative member for King's, Prince Edward Island.
• William Garland McQuarrie b. 1876 first elected in 1917 as Unionist member for New Westminster, British Columbia.
• Henry Carwithen McQuillan b. 1906 first elected in 1958 as Progressive Conservative member for Comox—Alberni, British Columbia.
• Alexander Duncan McRae b. 1874 first elected in 1926 as Conservative member for Vancouver North, British Columbia.
• Paul Edmund McRae b. 1924 first elected in 1972 as Liberal member for Fort William, Ontario.
• John McRory b. 1834 first elected in 1878 as Conservative member for Addington, Ontario.
• James McShane b. 1833 first elected in 1895 as Liberal member for Montreal Centre, Quebec.
• Neil Haman McTaggart b. 1882 first elected in 1921 as Progressive member for Maple Creek, Saskatchewan.
• Dan McTeague b. 1962 first elected in 1993 as Liberal member for Ontario, Ontario.
• Edward Watson McWhinney b. 1924 first elected in 1993 as Liberal member for Vancouver Quadra, British Columbia.
• George Roy McWilliam b. 1905 first elected in 1949 as Liberal member for Northumberland, New Brunswick.

• Howie Meeker b. 1923 first elected in 1951 as Progressive Conservative member for Waterloo South, Ontario.
• Arthur Meighen b. 1874 first elected in 1908 as Conservative member for Portage la Prairie, Manitoba.
• Daniel Bishop Meigs b. 1835 first elected in 1888 as Liberal member for Missisquoi, Quebec.
• Eric Melillo b. 1998 first elected in 2019 as Conservative member for Kenora, Ontario.
• J.-Armand Ménard b. 1905 first elected in 1955 as Liberal member for Saint-Jean—Iberville—Napierville, Quebec.
• Réal Ménard b. 1962 first elected in 1993 as Bloc Québécois member for Hochelaga—Maisonneuve, Quebec.
• Serge Ménard b. 1941 first elected in 2004 as Bloc Québécois member for Marc-Aurèle-Fortin, Quebec.
• Lewis Menary b. 1882 first elected in 1945 as Progressive Conservative member for Wellington North, Ontario.
• Alexandra Mendès b. 1963 first elected in 2008 as Liberal member for Brossard—La Prairie, Quebec.
• Marco Mendicino b. 1973 first elected in 2015 as Liberal member for Eglinton—Lawrence, Ontario.
• Costas Menegakis b. 1959 first elected in 2011 as Conservative member for Richmond Hill, Ontario.
• Ted Menzies b. 1952 first elected in 2004 as Conservative member for Macleod, Alberta.
• Gary Merasty b. 1964 first elected in 2006 as Liberal member for Desnethé—Missinippi—Churchill River, Saskatchewan.
• Honoré Mercier b. 1840 first elected in 1872 as Liberal member for Rouville, Quebec.
• Joseph-Alexandre Mercier b. 1874 first elected in 1925 as Liberal member for Laurier—Outremont, Quebec.
• Paul Mercier b. 1924 first elected in 1993 as Bloc Québécois member for Blainville—Deux-Montagnes, Quebec.
• Paul Mercier b. 1888 first elected in 1921 as Liberal member for Westmount—St. Henri, Quebec.
• Val Meredith b. 1949 first elected in 1993 as Reform member for Surrey—White Rock—South Langley, British Columbia.
• Jonathan Joseph Merner b. 1864 first elected in 1911 as Conservative member for Huron South, Ontario.
• Samuel Merner b. 1823 first elected in 1878 as Conservative member for Waterloo South, Ontario.
• Rob Merrifield b. 1953 first elected in 2000 as Canadian Alliance member for Yellowhead, Alberta.
• Gerald Merrithew b. 1931 first elected in 1984 as Progressive Conservative member for Saint John, New Brunswick.
• Charles Cecil Ingersoll Merritt b. 1908 first elected in 1945 as Progressive Conservative member for Vancouver—Burrard, British Columbia.
• Thomas Rodman Merritt b. 1824 first elected in 1868 as Liberal member for Lincoln, Ontario.
• John Albert Messervy b. 1861 first elected in 1925 as Conservative member for Queen's, Prince Edward Island.
• James Metcalfe b. 1822 first elected in 1867 as Liberal member for York East, Ontario.
• James Henry Metcalfe b. 1848 first elected in 1892 as Conservative member for Kingston, Ontario.
• François Xavier Ovide Méthot b. 1843 first elected in 1877 as Independent Conservative member for Nicolet, Quebec.
• Adrien Meunier b. 1905 first elected in 1953 as Independent Liberal member for Papineau, Quebec.
• Sydney Chilton Mewburn b. 1863 first elected in 1917 as Unionist member for Hamilton East, Ontario.

• Wilson Miao b. 1987 first elected in 2021 as Liberal member Richmond Centre, British Columbia.
• Benoît Michaud b. 1902 first elected in 1945 as Liberal member for Restigouche—Madawaska, New Brunswick.
• Élaine Michaud b. 1985 first elected in 2011 as New Democratic Party member for Portneuf—Jacques-Cartier, Quebec.
• Hervé J. Michaud b. 1912 first elected in 1953 as Liberal member for Kent, New Brunswick.
• Joseph Enoil Michaud b. 1888 first elected in 1933 as Liberal member for Restigouche—Madawaska, New Brunswick.
• Kristina Michaud b. 1993 first elected in 2019 as Bloc Québécois member for Avignon—La Mitis—Matane—Matapédia, Quebec.
• Pius Michaud b. 1870 first elected in 1907 as Liberal member for Victoria, New Brunswick.
• Roland Michener b. 1900 first elected in 1953 as Progressive Conservative member for St. Paul's, Ontario.
• William Sora Middlebro b. 1868 first elected in 1908 as Conservative member for Grey North, Ontario.
• Fred Mifflin b. 1938 first elected in 1988 as Liberal member for Bonavista—Trinity—Conception, Newfoundland and Labrador.
• Roch Moïse Samuel Mignault b. 1837 first elected in 1891 as Liberal member for Yamaska, Quebec.
• MaryAnn Mihychuk b. 1955 first elected in 2015 as Liberal member for Kildonan—St. Paul, Manitoba.
• Campbell Ewing Millar b. 1911 first elected in 1962 as Progressive Conservative member for Middlesex East, Ontario.

• John Millar b. 1866 first elected in 1921 as Progressive member for Qu'Appelle, Saskatchewan.
• Archibald Campbell Miller b. 1836 first elected in 1891 as Conservative member for Prince Edward, Ontario.
• Calvert Charlton Miller b. 1899 first elected in 1946 as Progressive Conservative member for Portage la Prairie, Manitoba.
• Edward Allan Miller b. 1942 first elected in 1979 as New Democratic Party member for Nanaimo—Alberni, British Columbia.
• Henry Horton Miller b. 1861 first elected in 1904 as Liberal member for Grey South, Ontario.
• Larry Miller b. 1956 first elected in 2004 as Conservative member for Grey—Bruce—Owen Sound, Ontario.
• Marc Miller b. 1973 first elected in 2015 as Liberal member for Ville-Marie—Le Sud-Ouest—Île-des-Sœurs, Quebec.
• Clarence Adam Milligan b. 1904 first elected in 1957 as Progressive Conservative member for Prince Edward—Lennox, Ontario.
• Peter Milliken b. 1946 first elected in 1988 as Liberal member for Kingston and the Islands, Ontario.
• David Mills b. 1831 first elected in 1867 as Liberal member for Bothwell, Ontario.
• Dennis Mills b. 1946 first elected in 1988 as Liberal member for Broadview—Greenwood, Ontario.
• John Burpee Mills b. 1850 first elected in 1887 as Conservative member for Annapolis, Nova Scotia.
• Robert Mills b. 1941 first elected in 1993 as Reform member for Red Deer, Alberta.
• Wilson Henry Mills b. 1882 first elected in 1934 as Liberal member for Elgin West, Ontario.
• Robert Milne b. 1881 first elected in 1921 as Progressive member for Neepawa, Manitoba.
• William Ross Milne b. 1932 first elected in 1974 as Liberal member for Peel—Dufferin—Simcoe, Ontario.
• Clement George Minaker b. 1937 first elected in 1984 as Progressive Conservative member for Winnipeg—St. James, Manitoba.
• Maria Minna b. 1948 first elected in 1993 as Liberal member for Beaches—Woodbine, Ontario.
• Andrew Mitchell b. 1953 first elected in 1993 as Liberal member for Parry Sound—Muskoka, Ontario.
• Archibald Hugh Mitchell b. 1903 first elected in 1935 as Social Credit member for Medicine Hat, Alberta.
• Rodger Mitchell b. 1898 first elected in 1953 as Liberal member for Sudbury, Ontario.
• Humphrey Mitchell b. 1894 first elected in 1931 as Labour member for Hamilton East, Ontario.
• Margaret Anne Mitchell b. 1925 first elected in 1979 as New Democratic Party member for Vancouver East, British Columbia.
• Peter Mitchell b. 1824 first elected in 1872 as Independent member for Northumberland, New Brunswick.
• Robert Weld Mitchell b. 1915 first elected in 1953 as Progressive Conservative member for London, Ontario.
• Walter George Mitchell b. 1877 first elected in 1921 as Liberal member for St. Antoine, Quebec.
• Constantine George Mitges b. 1919 first elected in 1972 as Progressive Conservative member for Grey—Simcoe, Ontario.

• George Moffat b. 1810 first elected in 1870 as Conservative member for Restigouche, New Brunswick.
• George Moffat b. 1842 first elected in 1887 as Conservative member for Restigouche, New Brunswick.
• Robert Moffat b. 1844 first elected in 1882 as Conservative member for Restigouche, New Brunswick.
• John Patrick Molloy b. 1873 first elected in 1908 as Liberal member for Provencher, Manitoba.
• George Moncrieff b. 1842 first elected in 1887 as Conservative member for Lambton East, Ontario.
• Albéric Archie Mondou b. 1872 first elected in 1911 as Conservative member for Yamaska, Quebec.
• Dominique Monet b. 1865 first elected in 1891 as Liberal member for Napierville, Quebec.
• Marcel Monette b. 1895 first elected in 1949 as Liberal member for Mercier, Quebec.
• Jean-Baptiste Mongenais b. 1803 first elected in 1878 as Conservative member for Vaudreuil, Quebec.
• Joseph-Alfred Mongrain b. 1908 first elected in 1965 as Independent member for Trois-Rivières, Quebec.
• Frederick Debartzch Monk b. 1856 first elected in 1896 as Conservative member for Jacques Cartier, Quebec.
• Maryam Monsef b. 1984 first elected in 2015 as Liberal member for Peterborough—Kawartha, Ontario.
• Walter Humphries Montague b. 1858 first elected in 1887 as Conservative member for Haldimand, Ontario.
• Andrew Monteith b. 1823 first elected in 1874 as Conservative member for Perth North, Ontario.
• Harold Edmond Monteith b. 1900 first elected in 1958 as Progressive Conservative member for Verdun, Quebec.
• Jay Waldo Monteith b. 1903 first elected in 1953 as Progressive Conservative member for Perth, Ontario.
• Ken Monteith b. 1938 first elected in 1988 as Progressive Conservative member for Elgin, Ontario.
• Gage Workman Montgomery b. 1898 first elected in 1952 as Progressive Conservative member for Victoria—Carleton, New Brunswick.
• Hippolyte Montplaisir b. 1839 first elected in 1874 as Liberal-Conservative member for Champlain, Quebec.
• Alvin Head Moore b. 1838 first elected in 1896 as Conservative member for Stanstead, Quebec.
• Barry D. Moore b. 1944 first elected in 1984 as Progressive Conservative member for Pontiac—Gatineau—Labelle, Quebec.
• Christine Moore b. 1983 first elected in 2011 as New Democratic Party member for Abitibi—Témiscamingue, Quebec.
• Harry Andrew Moore b. 1914 first elected in 1962 as Progressive Conservative member for Wetaskiwin, Alberta.
• James Moore b. 1976 first elected in 2000 as Canadian Alliance member for Port Moody—Coquitlam—Port Coquitlam, British Columbia.
• John Clarke Moore b. 1871 first elected in 1930 as Conservative member for Châteauguay—Huntingdon, Quebec.
• Rob Moore b. 1974 first elected in 2004 as Conservative member for Fundy, New Brunswick.
• Ronald Stewart Moore b. 1913 first elected in 1945 as Cooperative Commonwealth Federation member for Churchill, Manitoba.
• William Henry Moore b. 1872 first elected in 1930 as Liberal member for Ontario, Ontario.
• Frank Duff Moores b. 1933 first elected in 1968 as Progressive Conservative member for Bonavista—Trinity—Conception, Newfoundland and Labrador.

• Raymond Ducharme Morand b. 1887 first elected in 1925 as Conservative member for Essex East, Ontario.
• Marty Morantz b. 1962 first elected in 2019 as Conservative member for Charleswood—St. James—Assiniboia—Headingley, Manitoba.
• Kenneth Hamill More b. 1907 first elected in 1958 as Progressive Conservative member for Regina City, Saskatchewan.
• Maurice John Moreau b. 1927 first elected in 1963 as Liberal member for York—Scarborough, Ontario.
• J. Trevor Morgan b. 1923 first elected in 1972 as Progressive Conservative member for St. Catharines, Ontario.
• Albanie Morin b. 1921 first elected in 1972 as Liberal member for Louis-Hébert, Quebec.
• Dany Morin b. 1985 first elected in 2011 as New Democratic Party member for Chicoutimi—Le Fjord, Quebec.
• Georges Dorèze Morin b. 1884 first elected in 1925 as Liberal member for Bagot, Quebec.
• Isabelle Morin b. 1985 first elected in 2011 as New Democratic Party member for Notre-Dame-de-Grâce—Lachine, Quebec.
• Jean-Baptiste Morin b. 1840 first elected in 1896 as Conservative member for Dorchester, Quebec.
• Louis-Simon-René Morin b. 1883 first elected in 1921 as Liberal member for St. Hyacinthe—Rouville, Quebec.
• Marc-André Morin b. 1951 first elected in 2011 as New Democratic Party member for Laurentides—Labelle, Quebec.
• Marie-Claude Morin b. 1985 first elected in 2011 as New Democratic Party member for Saint-Hyacinthe—Bagot, Quebec.
• John Morison b. 1818 first elected in 1867 as Liberal member for Victoria North, Ontario.
• John B. Morison b. 1923 first elected in 1963 as Liberal member for Wentworth, Ontario.
• Émilien Morissette b. 1927 first elected in 1958 as Progressive Conservative member for Rimouski, Quebec.
• Bill Morneau b. 1962 first elected in 2015 as Liberal member for Toronto Centre, Ontario.
• Hugh Boulton Morphy b. 1860 first elected in 1911 as Conservative member for Perth North, Ontario.
• Mike Morrice b. 1984 first elected in 2021 as Green member for Kitchener Centre, Ontario.
• Alexander Morris b. 1826 first elected in 1867 as Conservative member for Lanark South, Ontario.
• Edmund Leverett Morris b. 1923 first elected in 1957 as Progressive Conservative member for Halifax, Nova Scotia.
• James Morris b. 1857 first elected in 1913 as Conservative member for Châteauguay, Quebec.
• Alexander Morrison b. 1851 first elected in 1912 as Conservative member for Macdonald, Manitoba.
• Angus Morrison b. 1822 first elected in 1867 as Conservative member for Niagara, Ontario.
• Aulay MacAulay Morrison b. 1863 first elected in 1896 as Liberal member for New Westminster, British Columbia.
• John Morrison b. 1872 first elected in 1921 as Progressive member for Weyburn, Saskatchewan.
• Lee Glen Morrison b. 1932 first elected in 1993 as Reform member for Swift Current—Maple Creek—Assiniboia, Saskatchewan.
• Rob Morrison b. 1956 first elected in 2019 as Conservative member for Kootenay—Columbia, British Columbia.
• Bobby Morrissey b. 1954 first elected in 2015 as Liberal member for Egmont, Prince Edward Island.
• Charles Joseph Morrissy b. 1881 first elected in 1926 as Liberal member for Northumberland, New Brunswick.
• John Morrissy b. 1857 first elected in 1921 as Liberal member for Northumberland, New Brunswick.
• Murray Douglas Morton b. 1916 first elected in 1957 as Progressive Conservative member for Davenport, Ontario.

• Thomas Moss b. 1836 first elected in 1873 as Liberal member for West Toronto, Ontario.
• William Richard Motherwell b. 1860 first elected in 1921 as Liberal member for Regina, Saskatchewan.
• William Malcolm Mott b. 1894 first elected in 1949 as Liberal member for New Westminster, British Columbia.
• Glen Motz b. 1958 first elected in 2016 as Conservative member for Medicine Hat—Cardston—Warner, Alberta.
• Maria Mourani b. 1969 first elected in 2006 as Bloc Québécois member for Ahuntsic, Quebec.
• Joseph Alfred Mousseau b. 1838 first elected in 1874 as Conservative member for Bagot, Quebec.
• Joseph Octave Mousseau b. 1844 first elected in 1891 as Independent member for Soulanges, Quebec.
• Herbert Macdonald Mowat b. 1863 first elected in 1917 as Unionist member for Parkdale, Ontario.

• George Robson Muir b. 1903 first elected in 1957 as Progressive Conservative member for Lisgar, Manitoba.
• Robert Muir b. 1919 first elected in 1957 as Progressive Conservative member for Cape Breton North and Victoria, Nova Scotia.
• Mark Muise b. 1957 first elected in 1997 as Progressive Conservative member for West Nova, Nova Scotia.
• Tom Mulcair b. 1954 first elected in 2007 as New Democratic Party member for Outremont, Quebec.
• John Cooney Mullally b. 1930 first elected in 1963 as Liberal member for King's, Prince Edward Island.
• Henry Alfred Mullins b. 1861 first elected in 1925 as Conservative member for Marquette, Manitoba.
• James Patrick Mullins b. 1874 first elected in 1935 as Liberal member for Richmond—Wolfe, Quebec.
• William Mulock b. 1844 first elected in 1882 as Liberal member for York North, Ontario.
• William Pate Mulock b. 1897 first elected in 1934 as Liberal member for York North, Ontario.
• Martin Brian Mulroney b. 1939 first elected in 1983 as Progressive Conservative member for Central Nova, Nova Scotia.
• Albert Edward Munn b. 1865 first elected in 1930 as Liberal member for Vancouver North, British Columbia.
• Donald W. Munro b. 1916 first elected in 1972 as Progressive Conservative member for Esquimalt—Saanich, British Columbia.
• Elgin Albert Munro b. 1874 first elected in 1921 as Liberal member for Fraser Valley, British Columbia.
• John C. Munro b. 1931 first elected in 1962 as Liberal member for Hamilton East, Ontario.
• John H. Munroe b. 1820 first elected in 1867 as Conservative member for Elgin West, Ontario.
• Charles Arthur Munson b. 1857 first elected in 1911 as Conservative member for Northumberland West, Ontario.

• James Murdock b. 1871 first elected in 1922 as Liberal member for Kent, Ontario.
• Brian Murphy b. 1961 first elected in 2006 as Liberal member for Moncton—Riverview—Dieppe
• Charles Murphy b. 1862 first elected in 1908 as Liberal member for Russell, Ontario.
• Terrence Murphy b. 1926 first elected in 1968 as Liberal member for Sault Ste. Marie, Ontario.
• Henry Joseph Murphy b. 1921 first elected in 1953 as Liberal member for Westmorland, New Brunswick.
• John Murphy b. 1937 first elected in 1993 as Liberal member for Annapolis Valley—Hants, Nova Scotia.
• Joseph Warner Murphy b. 1892 first elected in 1945 as Progressive Conservative member for Lambton West, Ontario.
• Rodney Edward Murphy b. 1946 first elected in 1979 as New Democratic Party member for Churchill, Manitoba.
• Shawn Murphy b. 1951 first elected in 2000 as Liberal member for Hillsborough, Prince Edward Island.
• Thomas Gerow Murphy b. 1883 first elected in 1925 as Conservative member for Neepawa, Manitoba.
• William Samuel Murphy b. 1882 first elected in 1929 as Independent Conservative member for Lanark, Ontario.
• Alexander Clark Murray b. 1900 first elected in 1949 as Liberal member for Oxford, Ontario.
• George Matheson Murray b. 1889 first elected in 1949 as Liberal member for Cariboo, British Columbia.
• Ian Murray b. 1951 first elected in 1993 as Liberal member for Lanark—Carleton, Ontario.
• Joyce Murray b. 1954 first elected in 2008 as Liberal member for Vancouver Quadra, British Columbia.
• Thomas Murray b. 1836 first elected in 1891 as Liberal member for Pontiac, Quebec.
• William Murray b. 1839 first elected in 1874 as Liberal member for Renfrew North, Ontario.
• Jack Murta b. 1943 first elected in 1970 as Progressive Conservative member for Lisgar, Manitoba.
• Leslie Alexander Mutch b. 1897 first elected in 1935 as Liberal member for Winnipeg South, Manitoba.
• Ephraim Bell Muttart b. 1839 first elected in 1878 as Conservative member for King's County, Prince Edward Island.
• Dan Muys b. 1970 first elected as Conservative member for Flamborough—Glanbrook, Ontario.

• Edward Thomas Wordon Myers b. 1879 first elected in 1917 as Unionist member for Kindersley, Saskatchewan.
• John Howard Myers b. 1880 first elected in 1930 as Conservative member for Queen's, Prince Edward Island.
• Lynn Myers b. 1951 first elected in 1997 as Liberal member for Waterloo—Wellington, Ontario.