Ca 1778 Joseph married Sarah Rathbone (60626) , daughter of Dea. Daniel Rathbone (50485) (27 Feb 1731-17 Jan 1823) & Sarah Higbee (51108) (24 Mar 1738/9-5 Aug 1835). Born on 29 Aug 1760 in Richmond, Berkshire County, Massachusetts.389 Sarah died in Mainesburg, Tioga County, Pennsylvania, on 6 Mar 1854; she was 93.

Child of Joseph and Sarah (Rathbone) Main:389
    i. John Main, b. 29 Nov 1779, m. 25 Dec 1808 Nancy Spencer (b. 18 Aug 1792).

Children of John and Sarah (Rathbone) (Main) Gorndon:
    i. Mercy Gordon, b. ca. 1791, d. Nov 1810;
    ii. Mary G. Gordon, b. 26 Apr 1793, m. 1 Mar 1811 Ambrose Millard of Saratoga County;
    iii. Groves Gorden, b. 20 Nov 1794;
    iv. Britannia Gordon, m. Plinny Powers in Tioga, PA;
    v. Laura Gordon, b. at Chatham, Tioga Co., M Thomas Boyce; and
    vi. Edwin Gordon, b. 7 Apr 1800 at Lisle, NY, m. Lucy Power (dau. fo Simeon Power of Lawrenceville, PA).