The following data is extracted from Genealogy and Biography of Ontario County, New York.
(IV) Joseph (3), son of Joseph (2) Tuttle, was born November 10, 1692. He was captain of the train band at East Haven. In 1742 he was confirmed by the general assembly as quartermaster of the Second Regiment. In 1745-46 he was moderator, and served several years on the school committee. He married Mercy, daughter of John and Mercy (Mansfield) Thompson. She was born February 21, 1696, and died September 6, 1743. He married (second) Sarah Washburn, widow. He was of Derby in 1751. In 1743-53 he bought lands in Litchfield county, Connecticut. He died January 16, 1761. He left a will and estate was valued at £2,722, much of it real estate. Children: Joel, born October 18, 1718; Mary, December 22, 1720; Amy, 1726, died young; Mercy, September 17, 1730; Comfort, 1732; Joseph, 1734; Samuel, 1741 ; Joseph, married Hannah Twitchell; Amy married Benjamin Hargar; Benjamin, mentioned elsewhere.
Source: Genealogy and Biography of Ontario County, New York