11 Jan 1710/1 Allerton first married Mary Buck (21202) , daughter of James Buck (7835) (6 Sep 1659-bef 18 Jan 1689/90) & Abigail Church (9431) (15 Dec 1666-13 May 1727), in Plympton, MA.265 Born ca 1688 in Plymouth, MA. Mary died in Plympton, MA on 13 Dec 1725.265

Children of Allerton and Mary, born in Plympton: Allerton 1712, James 1715, Mary 1718, Ephraim 1720-1725.265

On 15 Sep 1726 when Allerton was 42, he second married Elizabeth Sampson, daughter of George Sampson (ca 1655-26 Jul 1739) & Elizabeth Sprague (ca 1657-27 May 1727), in Plympton, MA.265 Born on 22 Dec 1692 in Plymouth, MA.265 Elizabeth died in Plympton, MA, on 17 Apr 1744; she was 51.308 Buried in Plympton, MA GR1.

Child of Allerton and Elizabeth (Sampson) Cushman, born in Plympton: Joseph born 1730.265

On 5 Dec 1723 when Elizabeth was 38, she married Robert Waterman (13325) , son of Dea. John Waterman (4551) (19 Apr 1642-14 Sep 1718) & Ann Sturtevant (11801) (4 Jan 1648-9 Feb 1719/20), in Plympton, MA. “Robert waterman was Maried to Elizebeth Cushman Dec y^e 5^th 1723—(She was his 2^d wife, left no Children, died March 13 . 1725. in he 40^th year—Daughter of Dea. Elkanah Cushman)”. Born on 9 Feb 1681 in Marshfield, MA.60 Robert died in Halifax, MA 16 Jan 1749/50.

On 29 Sep 1709 Josiah married Susanna Shurtleff, daughter of Capt. William Shurtleff (ca 1657-4 Feb 1729/30) & Susannah Lothrop (28 Feb 1663/4-9 Aug 1726), in Plympton, MA. Born 1 Mar 1690/1 in Plymouth, MA. Susanna died in Plympton, MA on 27 Jul 1763.

Children of Josiah and Susanna (Shurtleff) Cushman, born at Plympton:
    i. Susannah Cushman, b. 16 Sep 1710, d. young;
    ii. Martha Cushman, b. 12 Jan 1712/3, d. 25 Sep 1770 at Halifax, MA, m. 8 Apr 1734 Robert Waterman;
    iii. Susannah Cushman, b. 24 May 1715, d. 6 Feb 1756 at Carver, MA, m. 25 Mar 1745 Benjamin Shurtleff (b. 17 Apr 1710 at Plymouth, d. 23 Nov 1788 at Plympton);
    iv. Ann Cushman, b. 20 May 1717, d. after 6 mar 1756, m. 23 Feb 1741/2 Robert Avery;
    v. Josiah Cushman, b. 12 Aug 1719, d. 17 Sep 1784 at Plympton, m. 1st there 10 Jul 1749 Sarah Standish (b. 5 Aug 1729 at Plympton, d. there 11 Feb 1751/2, dau. of Zachariah & Abigail (Whitman) Standish), m. 2nd at Plympton 20 Jul 1758 Deborah Ring (b. 21 Jul 1742, d. 6 Sep 1823 at Plympton, dau. of Andrew & Zerviah (Standish) Ring);
    vi. Elkanah Cushman, b. 8 Sep 1721, d. 6 Aug 1803 at Plympton, m. 1st there 7 Apr 1743 Hannah Standish (b. 15 Dec 1723 at Plympton, d. there 16 Oct 1756, sister of Sarah who married Elkanah’s older brother Josiah), m. 2nd at Plympton 16 mar 1758 Patience Paddock (b. 13 Nov 1727, d. 10 Dec 1772 at Plympton);
    vii. William Cushman, b.26 Feb 1723/4, m. 1st 3 Sep 1747 Sarah Holloway, m. 2nd 1775 Ruth Robinson;
    ix. Elizabeth Cushman, b. 22 Sep 1728, d. 10 Oct 1808 at Plympton; and
    x. Isaiah Cushman, b. 2 Feb 1730/1, d. 2 Nov 1818 at Rome, Oneida Co., NY, m. at Plympton 1 Nov 1753 Sarah Ring (b. 2 Sep 1737, d. 22 Jun 1809 at Brookfield, MA, sister of Deborah who married Isaiah’s older brother Josiah).

On 6 Jun 1717 Martha married Nathaniel Holmes (30859) , son of John Holmes (13528) (22 Mar 1662-7 Sep 1728) & Sarah Thomas (ca 1663-27 Oct 1700), in Plympton, MA. Born on 30 Aug 1692 in Plymouth, MA. Nathaniel died aft Jul 1771.