Mary married Cox, William in 1779 in Massachusetts, United States. William (son of Cox, Matthew and Russel, Elizabeth) was born on 8 Apr 1750 in Cambridge, Middlesex, Massachusetts, United States; was christened on 8 Apr 1750 in Cambridge, Middlesex, Massachusetts, United States; died on 27 Jul 1833 in West Fairlee, Orange, Vermont, United States, United States; was buried in West Fairlee, Orange, Vermont, United States, United States. [Group Sheet] [Family Chart]