On 17 Nov 1768 when William was 26, he married Hannah Tinkham. Born on 31 Oct 1747 in Plymouth, MA. Hannah died in Pembroke, MA, on 2 Aug 1815; she was 67.395

Hannah, daughter of Jacob and Lydia (Dunham) Tinkham.

Children of William and Hannah (Tinkham) Curtis, born at Pembroke:
    i. William Curtis, b. 19 Aug 1769;
    ii. Hannah Curtis, b. 3 Sep 1771;
    iii. Lydia Curtis, b. 3 Sep 1771;
    iv. James Curtis, b. 25 Nov 1773;
    v. Stoddard Curtis, b. 15 Aug 1775;
    vi. Hannah Curtis, b. 24 May 1781;
    vii. Jacob Curtis, b. 30 May 1784; and
    viii. Polly Curtis, b. 5 Mar 1787.