On 24 Oct 1780 when Amos was 24, he first married Lydia Stetson (45194) , daughter of Elisha Stetson (25883) (30 Jan 1719-28 Aug 1803) & Sarah Adams (40877) (ca 1721-26 Oct 1804).284 Born on 15 Jan 1759 in Kingston, MA.182 Lydia died bef Jan 1787.

Amos and Lydia were first cousins once removed. His maternal grandfather and her mother were siblings.

On 11 Jan 1787 when Amos was 30, he second married Eunice Eaton (45719) , daughter of David Eaton (26734) (ca 1704-8 Jul 1759) & Deborah Fuller (23 Nov 1727-1 Aug 1809), in Kingston, MA. Born on 12 Apr 1759 in Kingston, MA. Eunice died in Kingston, MA in 1799.