On 22 Dec 1720 when William was 27, he married
Abigail Lyman (26927) , daughter of
John Lyman (10826) (1655-13 Oct 1727) &
Abigail Holton (ca 1672-24 Nov 1714), in Northampton, Hampshire County, Massachusetts.
Born 1 Feb 1696/7 in Northampton, Hampshire County, Massachusetts. Abigail died in Northampton, Hampshire County, Massachusetts on 24 Mar 1755.
Children of William and Abigail (Lyman) Bartlett, born at Northampton:
i. Mabel Bartlett, b. 7 Nov 1721;
ii. William Bartlett, b. 3 Mar1723/4, d. 7 Oct 1802;
iii. Abigail Bartlett, b. ca. 1726, m. at Springfield 2 Sep 1766 Eliezer Patterson;
iv. Eunice Bartlett, b. 21 Feb 1726/7, d. 22 Oct 1798 at Northampton;
v. Phebe Bartlett, b. 7 Mar 1729/30, d. 5 Jan 1805 at Northampton, m. 9 Jan 1755 Noah Parsons;
vi. Naomi Bartlett, b. 29 Nov1732, d. 20 Oct 1805 at Northampton;
vii. Rachel Bartlett, b. 16 Feb 1733/4, d. 22 May 1812 at Northampton;
viii. Martha Bartlett, b. 15 Apr 1739, d. 18 Oct 1816 at Northampton, m. 1st Benjamin Munn, m. 2nd at Northampton 20 Jan 1801 Timothy Parsons; and
ix. Esther Bartlett, b. 8 Mar 1741.