On 19 Apr 1747 when Joseph was 28, he married Amie Coggeshall, daughter of John Coggeshall (ca 1697-24 Sep 1746) & Anne, in Portsmouth, RI. Born ca 1720.

Ann, of Middletown, RI.

On 30 Nov 1746 when John was 21, he married Mary Cook (38584) , daughter of John Cook (19281) (27 Feb 1693/4-) & Mary Slocum (32481) (7th 12m [Feb] 1708/9-), in Portsmouth, RI.322 They were married by William Anthony Jr, Justice. Born on 23 Dec 1728 in Portsmouth, RI.322 Mary died on 19 Mar 1807; she was 78.

Children of John and Mary (Cook) Wilcox, born at Portsmouth:
    i. John Wilcox, b. 7 Mar 1746/7;
    ii. Cook Wilcox, b. 28 Apr 1752; and
    iii. Daniel Wilcox, b. 21 Jul 1759.322

On 25 Jul 1752 when Josiah was 24, he first married Ann Estes (52326) , daughter of Robert Estes (27 Aug 1694-1780) & Ann Durfee (35525) (25 Jun 1691-27 Apr 1734), in Portsmouth, RI.322 Born on 8 Mar 1726 in Portsmouth, RI.

Children of Josiah and Ann (Estes) Wilcox, born at Portsmouth:322
    i. Robert Wilcox, b. 15 Jun 1752;
    ii. Sarah Wilcox, b. 4 Apr 1754, m. 10 May 1786 Joseph Dennis (b. 31 May 1759);
    iii. Hannah Wilcox, b. 14 Jun 1757;
    iv. Susanna Wilcox, b. 1 Dec 1759; and
    v. Martha Wilcox, b. 5 Feb 1763.

On 16 Oct 1760 when Josiah was 33, he second married Cashaba Lapham in Smithfield, RI.561

Child of Joseph and Cashaba (Lapham) Wilcox:
    i. Martha Wilcox, b. 5 Feb 1763.

Josiah third married Sarah.

Children of Josiah and Sarah Wilcox, born at Middletown, RI:
    i. Samuel Wilcox, b. 12 Jan 1768;
    ii. Rodman Wilcox, b. 5 Mar 1770;
    iii. Anne Wilcox, b. 30 Apr 1772; and
    iv. Josiah Wilcox, b. 23 Jun 1774.

10 Jul 1761 (Int.) Job first married Elizabeth Mariheu in Dartmouth, MA. Born ca 1735.

Job second married Lucy.