On 29 Oct 1771 when Isaac was 25, he married Abigail Brooks (46910) , daughter of Ebenezer Brooks (28456) (1 Jun 1712-bef Mar 1803) & Jemima Locke (43705) (7 Jul 1718-5 Nov 1774), in Woburn, MA.124 Born on 2 Jun 1752 in Woburn, MA.124

Isaac was of Medford and Abigail of Woburn when they married.124