Nauvoo is an unincorporated community in Tioga County, Pennsylvania, United States.

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Nauvoo was founded in 1844 by the Mormon Nauvoo on account of the Mormon elder D.W. Canfield, who resided there. During this time, Nauvoo consisted of two stores, a post-office, a saloon, a hotel, a church, a grist-mill, a saw-mill, a school-house, a blacksmith shop, a wagon shop, and 25 dwellings.

In 1840, Horace Fellows began manufacturing woolen goods and cloths. He eventually sold his machinery to Nauvoo.

The word Nauvoo is Hebrew and means beautiful, a place of rest and beauty.

Nauvoo is on the line between the townships of Liberty and Morris.

There were four post-offices in the Nauvoo area in 1883.

• Kenneth B. Lee, Speaker of the Pennsylvania House of Representatives