5 Mar 1715/6 Thomas married Catherine Potter, daughter of Nathaniel Potter (ca 1637-20 Oct 1704) & Elizabeth Stokes (28 Oct 1638-ca 1710).

Children of Thomas and Catherine (Potter) Cornell, born at Dartmouth:368
    i. Rebecca Cornell, b. 3 Aug 1717, m. 14 Mar 1739/40 Edward Wing;
    ii. Peleg Cornell, b. 9 Dec1719, d. after 1790, m. ca. 1739 Mary Russell;
    iii. Susanna Cornell, b. 13 May 1722, m. ca. 1750 Richard Gifford;
    iv. Catherine Cornell, b. 22 Jun 1724;
    v. Joshua Cornell, b. 22 Jun 1726, d. 20 Jul 1788 at Westport, MA, m. at Dartmouth 15 Mar 1749/50 Susanna Gifford (dau. of Christopher Gifford); and
    vi. Elizabeth Cornell, b. 17 Jul 1729, m. Richard Gifford.

Ca 1713/4 Samuel first married Deborah.

Children of Samuel and Deborah Cornell, born at Dartmouth:
    i. Samuel Cornell, b. 20 Jan 1714/5;
    ii. John Cornell, b. 7 Nov 1716;
    iii. George Cornell, b. 23 Mar 1718/9;
    iv. Grizel Cornell, b. 29 Jan 1720/1;
    v. Job Cornell, b. 23 May 1723;
    vi. Phebe Cornell, b. 16 Jul 1724;
    vii. Paul Cornell, b. 17 Jul 1726; and
    viii. Elizabeth Cornell, b. 13 Oct 1729.368

Samuel second married Rebecca.

Children of Samuel and Rebecca Cornell:
    i. Rebecca Cornell, b. 30 Sep 1731;
    ii. Deborah Cornell; and
    iii. Zilpah Cornell.