On 20 Mar 1741 when Joseph was 28, he married Martha Pearce (47135) , daughter of James Pearce (28680) (4 Sep 1691-24 Sep 1755) & Martha Wilbor (22 Oct 1690-22 Sep 1760), in Little Compton, RI.271 They were married by Richard Billings, Justice. Born on 14 Aug 1717 in Little Compton, RI.374,271 Marriage intention published on 28 Feb 1741 at Little Compton, RI.271

Children of Joseph and Martha (Pearce) Tompkins, born at Tiverton or LIttle Compton:374,271
    i. Priscilla Tompkins, b. 3 Aug 1743;
    ii. Elijah Tompkins, b. 7 Apr 1746;
    iii. Nathaniel Tompkins, b. 25 Feb 1748;
    iv. Olive Tompkins, b. 11 May 1749;
    v. Gilbert Tompkins, b. 4 Apr 1751;
    vi. Gamaliel Tompkins, b. &. d. 1752;
    vii. Gilbert Tompkins, b. 24 May 1753;
    viii. James Tompkins, b. 7 Jan 1757;
    ix. Phebe Tompkins, b. 8 Jun 1759; and
    x. Gideon Tompkins, b. 25 Dec 1761.