Thomas married Martha Camp (48336) , daughter of Nathaniel Camp (32149) (ca 1701/2-1 Feb 1780) & Martha Camp (30752) (28 Jul 1712-). Born ca 1738 in Milford, CT. Martha was baptized in First Church of Milford, on 27 Aug 1738.64

Children of Thomas and Martha (Camp) Canfield, born at Milford:
    i. Nathaniel Canfield, b. ca. 1755, d. 1796 in Saratoga Co., NY, m. Mercy Ferry;
    ii. Moses Canfield, b. 6 Apr 1757m. 26 Nov 1778 Sarah Masters;
    iii. Sherman Canfield;
    iv. Martha Canfield, b. ca. 1764, m. Peter Sherman;
    v. Mary Canfield, b. ca. 1766, m. Noah Paine;
    vi. Samuel Canfield, b. 22 Apr 1770; and
    vii. Thomas Canfield, b. 25 Jan 1773, m. 24 Dec 1801 Sarah Stone.