On 28 Sep 1765 when Isaiah was 34, he married
Betty Cushing (40694) , daughter of
Elijah Cushing (20993) (7 Mar 1697/8-26 Jun 1762) &
Elizabeth Barstow (24308) (23 Aug 1699-7 Nov 1782), in Hingham, MA.
45 Born on 4 May 1736 in Hanover, MA.486 Betty was baptized in First Congegational Church of Hanover, on 6 Jun 1736.446
Betty, also called Elizabeth, Cushing. Isaiah and Betty were only remotely related being third cousins.