Mercy married Lieutenant Gideon Clark on 14 Nov 1750 in Deerfield, Hampshire, Massachusetts, United States. Gideon was born on 24 Sep 1722 in Northampton, Hampshire, Massachusetts, United States; was christened in Northampton, Hampshire, Massachusetts; died on 17 Jan 1807 in Westhampton, Hampshire, Massachusetts, United States; was buried on 19 Jan 1807 in Center Cemetery, Westhampton,Hampshire,Massachusetts. [Group Sheet] [Family Chart]