On 6 Jul 1741 Joseph married Abigail Baldwin (32210) , daughter of Josiah Baldwin (14950) (21 Mar 1677/8-25 Jul 1725) & Mary Pierson (ca 1679-25 Jul 1726), in Killingworth, CT.58 Born on 5 Jun 1716 in Derby, CT.58 Abigail died in Salisbury, Addison County, Vermont, on 5 Mar 1785; she was 68.

Children of Joseph and Abigail (Baldwin) Waterous:
    i. Elizabeth Waterous, b. 24 Apr 1742;
    ii. James Waterous, b. 13 Nov 1744;
    iii. Submit Waterous, b. 3 Mar 1746;
    iv. John Waterous, b. 19 Jan 1748;
    v. Hepzibah Waterous, b. 22 Aug 1752;
    vi. Josiah Waterous, b. 8 Apr 1755;
    vii. Eleazer Waterous, twin b. 8 Apr 1755; and
    viii. Asa Waterous, b. 13 Nov 1757.58