On 4 Dec 1739 when Joseph was 22, he married Elizabeth Walker (8955) , daughter of Isaac Walker (3062) (1 Nov 1677-aft 1745) & Margery Bruce (24 Apr 1684-ca 1764), in Woburn, MA.124 Born on 1 Jan 1718 in Woburn, MA.124

Elizabeth first married Joseph Walker, second William Tarbell as his second wife.

Joseph and Elizabeth were second cousins. Their paternal grandfathers were brothers.

Children of Joseph and Elizabeth (Walker) Walker, born at Billerica:
    i. John Walker, b. 25 Jul 1740;
    ii. Joseph Walker, b. 22 Aug 1742, d. at Brownfield, ME, m. Anne Brown (b. 11 Aug 1748 at Haverill, MA, dau. of Simeon & Hannah (Young) Brown);
    iii. Elizabeth Walker, b. 19 Aug 1744;
    iv. Samuel Walker, b. 12 May 1746;
    v. Sarah Walker, b. 4 Feb 1748;
    vi. Jesse Walker, b. 13 Sep 1749;
    vii. Supply Walker, b. 20 Mar 1751, d. 1810 in Oxford Co., ME, m. 1774 Rachel Walker (d. 21 Aug 1836 in Oxford Co.);
    viii. Margery Walker, b. 15 Nov 1753;
    ix. Mary Walker, twin, b. 15 Nov 1753;
    x. Ann Walker, b. 7 Sep 1755;
    xi. Timothy Walker, b. 27 Jul 1758, m. at Billerica 9 Dec 1783 Hannah Gleason; and
    xii. Elizabeth Walker, b. 6 Sep 1760, m. at Fryeburg, Oxford Co., ME, 29 Mar 1784 Jonathan Dresser Jr (b. 14 Sep 1757 at Andover, MA, d. 2 Apr 1814 at Fryeburg).