On 11 Mar 1754 when William was 27, he married
Abiah Thomas (22484) , daughter of
Capt. James Thomas (14808) (10 Feb 1696-16 Jan 1750/1) &
Deborah Sherman (8412) (4 Sep 1689-5 Feb 1774), in Duxbury or Bridgewater, Massachusetts.
Born on 25 Mar 1720 in Duxbury, MA.123 Abiah died in Marshfield, MA, on 29 Apr 1799; she was 79.123
William and Abiah were second cousins. Their paternal grandfathers were brothers.
Children of William and Abiah (Thomas) Thomas, born at Marshfield:
i. Deborah Thomas, b. 28 May 1755, d. 12 Mar 1794 at Marshfield, unmarried;
ii. Luther Thomas, b. 25 Jan 1757;
iii. Jesse Thomas, b. 5 Feb 1760;
iv. Alice Thomas, d. 8 Jul 1763 æ. 1; and
v. Abiah Thomas, b. 6 Jul 1762, d. 18 Sep 1768.