On 28 Mar 1746 when Jacob was 29, he married Mary Gould (35126) , daughter of David Gould (6 Feb 1690/1-3 Apr 1760) & Elizabeth Green (16718) (16 Nov 1687-18 Apr 1753), in Malden, MA. Born on 6 Apr 1724 in Stoneham, MA.327 Mary died in Onslow, Colchester County, Nova Scotia ca 1810.