On 16 Nov 1732 Benjamin married Dorcas Adams, daughter of Dorcas Adams, in Concord, MA. Born on 30 Apr 1703 in Concord, MA.77 Dorcas died in Acton, MA, on 24 Jan 1785; she was 81.

Dorcas married 1st Benjamin Brabrook, 2nd Daniel Locke.