On 19 Feb 1772 when Isaac was 24, he married Mary Potter (55050) , daughter of Ezekiel Potter (16 May 1721-29 Jun 1801) & Mary Cummings (39266) (ca 1720-16 Nov 1806). Born 23 Jan 1750/1 in Ipswich, MA. Mary died in New Boston, Hillsborough County, New Hampshire in Aug 1837.