On 1 Jan 1787 when Isaiah was 28, he married
Mercy Weston (56722) , daughter of
Thomas Weston (43302) (4 Oct 1726-16 May 1776) &
Martha Chandler (31 May 1732-16 Feb 1804), in Duxbury, MA.
Born on 29 Jun 1767 in Duxbury, MA. Mercy died in Duxbury, MA, on 30 Jun 1830; she was 63.