On 10 May 1722 when Joseph was 28, he second married Mary Townsend. Mary died in Boston, MA on 27 Mar 1755.
Mary was probably either (1) the daughter of James and Mary (Lynck) Townsend, b. 11 Feb 1694 at Boston, or (2) the daughter of Solomon and Elizabeth (Stratton) Townsend, b. 2 Apr 1699 at Boston, or (3) the daughter of Peter and Mary (Welcome) Townsend, b. 25 Jan 1695/6 at Boston.