On 10 Jan 1799 when Isaac was 22, he married
Thankful Purrington, daughter of
Humphrey Purrington (26 Aug 1759-25 Jan 1832) &
Thankful Snow (4 Apr 1760-23 Jan 1835), in Bowdoin, Sagadahoc County, Maine.
Born on 5 Sep 1781 in Bowdoin, Sagadahoc County, Maine. Thankful died in Bowdoin, Sagadahoc County, Maine, on 22 Mar 1834; she was 52.