On 29 Mar 1796 when Reuben was 25, he married Mary Barstow (57011) , daughter of Seth Barstow (44021) (15 Jun 1742-10 Oct 1822) & Ruth Allen (52865) (16 Dec 1745-17 Nov 1816), in First Church of Christ, Sharon.547 Born on 17 Feb 1775. Mary died on 8 Jul 1833; she was 58.

Reuben and Molly were both of Sharon when they married.