On 27 Sep 1819 when Isaiah was 29, he married
Mercy Waterman Vinal (63295) , daughter of
Lemuel Vinal (56937) (18 May 1777-22 Aug 1864) &
Polly Waterman (56311) (12 Sep 1778-21 Oct 1820), in Scituate, MA.
52 Born on 27 Jan 1799 in Scituate, MA.52 Mercy Waterman died in Duxbury, MA, on 17 Nov 1869; she was 70.