On 5 Jul 1769 when William was 27, he married
Mary Carter (43760) , daughter of
Ezra Carter (24008) (22 Jun 1701-19 Jul 1774) &
Jerusha White (23 Jul 1703-11 May 1781), in Marlborough, CT.
Born on 9 Apr 1745 in Marlborough, CT. Mary died in Hebron, CT, on 27 Mar 1812; she was 66.