On 17 May 1781 when Barnabas was 23, he married Jane Denison in Freeport, Cumberland County, Maine. Born on 10 Jan 1764 in Freeport, Cumberland County, Maine. Jane died in Freeport, Cumberland County, Maine, on 5 Mar 1825; she was 61.
Jane, daughter of David and Jane (Harraden) Denison, also spelled Dennison.