On 10 Jan 1751 when Thomas was 19, he first married Elizabeth Stow, daughter of Benjamin Stow (28 Feb 1700/1-) & Zibiah Moore (8 May 1704-), in Sudbury, MA.70 Born on 17 Apr 1729 in Sudbury, MA.70 Elizabeth died in Wayland, MA, on 4 Jun 1796; she was 67.6

Children of Thomas and Elizabeth (Stow) Damon, born at Sudbury:70
    i. Jude Damon, b. 23 Sep 1751;
    ii. David Damon, b. 5 Oct 1753;
    iii. Abigail Damon, b. 4 Mar 1756;
    iv. Oliver Damon, b. 4 Aug 1758;
    v. Aaron Damon, b. 1 Mar 1761;
    vi. Eunice Damon, b. 9 Apr 1765, d. 15 Feb 1855 at Wayland; and
    vii. Josiah Damon, b. 2 Sep 1770.

6 Dec 1799 (Int) Thomas second married Margaret Smith in Wayland, MA.6 Margaret died in Wayland, MA on 8 Sep 1821.6

Margaret, widow of Edmund Rice.

On 17 Jan 1770 when William was 35, he married Sarah Cutting (55142) , daughter of Isaac Cutting (20 Sep 1721-) & Sarah Hammond (39438) (3 Mar 1717/8-), in Sudbury, MA.70 Born on 13 Nov 1745 in Sudbury, MA.70 Sarah died in Wayland, MA, on 31 May 1835; she was 89.6

On 7 Apr 1763 when Mary was 26, she married Oliver Curtis, son of Ephraim Curtis (15 Jul 1706-1 Jan 1747/8) & Mary Rice (ca 1706-1 Dec 1745), in Sudbury, MA.70 Born on 29 Jan 1740 in Worcester, MA. Oliver died in Pelham, MA, on 17 Mar 1815; he was 75.

On 12 Mar 1765 when Isaac was 25, he married Lucy Cutting (55143) , daughter of Isaac Cutting (20 Sep 1721-) & Sarah Hammond (39438) (3 Mar 1717/8-), in Sudbury, MA.70 Born on 16 Nov 1746 in Sudbury, MA.70 Lucy died in Wayland, MA, on 7 Jun 1805; she was 58.6

Children of Isaac and Lucy (Cutting) Damon, the first five births recorded at Sudbury,70 the last at Wayland:
    i. Lois Damon, b. 8 Feb 1765;
    ii. Isaac Damon, b. 22 May 1767;
    iii. Collins Damon, b. 15 Mar 1770;
    iv. Sarah Damon, b. 17 Nov 1772, d. 23 Sep 1775;
    v. Marshal Damon, b. 2 Dec 1775, d. 29 Apr 1787 at Wayland; and
    vi. Lucy Damon, b. 5 Sep 1787.