In 1768 John married Mary Hilton (57669) , daughter of Theodore Hilton (45526) (ca 1721-between 15 Jan 1765 and 3 May 1767) & Mary Sinclair.199 Born ca 1747.199 Mary died in Newmarket, Rockingham County, New Hampshire on 5 Jan 1829.199

Children of John and Mary (Hilton) Marston, born at Newmarket:
    i. John Marston, b. 11 Dec 1768, d. 21 Dec1841 at Nottingham, NH, m. ca. 1793 Nancy Hill ( b. 9 Dec 1775 at Stratham, NH, d. 22 Dec 1862 at Nottingham);
    ii. Theodore Marston, b. ca. 1771, m. Sarah Bamford;
    iii. Joseph Marston, b. ca. 1773, m. Hannah True;
    iv. Nathaniel Marston, b. 16 Mar 1776, d. 18 Jan 1848 at West Gardiner, Kennebec Co., ME, m. at Winthrop, Kennebec Co., ME, 1797 Eleanor Watson;
    v. James Marston, b. ca. 1777, d. 23 Dec 1850 at Gardiner, Kennebec Co., ME, m. ca. 1812 Mary Haskins;
    vi. Mary Marston, b. ca. 1780;
    vii. Abigail Marston, b. ca. 1782;
    viii. Isaac Marston, b. ca. 1784, d. 5 May 1834 at East Livermore, Oxford Co., ME, m. ca. 1809 Mary Billings;
    ix. Sarah Marston, b. ca. 1787; and
    x. George Marston, b. ca. 1789, d. 22 Oct 1802 at Newmarket.