Mercy Pratt was born 27 July 1715 in Old Saybrook, Connecticut to Daniel Pratt (c1680-?) and Mercy Doty (1684-aft1727) and died after 1757 of unspecified causes. She married Elias Tully (c1713-1773) 17 March 1748 in Old Saybrook, Connecticutt.
|Offspring of Mercy Pratt and Elias Tully (c1713-1773)|
|Samuel Tully (1750-?)|
|Elias Tully (1752-?)|
|Mercy Tully (1755-1775)|
|Eunice Tully (1758-?)|