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.
Children
| Name | Birth | Death | Joined with |
| Samuel Tully (1750-?) | |||
| Elias Tully (1752-?) | |||
| Mercy Tully (1755-1775) | |||
| Eunice Tully (1758-?) | |||
Residences
Footnotes (including sources)
| ‡ General |
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