As per Mark Cilley:

Sarah Cilley
b. 16 October 1757, d. 7 December 1833

Sarah Cilley was born on 16 October 1757 at Nottingham, Rockingham, New Hampshire. (2,1) She was the daughter of General Joseph Cilley and Sarah Longfellow. (1) She married Honorable Thomas Bartlett, son of Israel Bartlett and Lovy Alice Hall, on 19 August 1773. (1,3) She died on 7 December 1833 at age 76. (1,4) She was buried at Square Cemetery, Nottingham, Rockingham, New Hampshire.(3)

Sarah was a lady of much intellectual culture and moral worth, and greatly aided the young settlement in Nottingham by her influence and friendly offices. (5)

Children of Sarah Cilley and Honorable Thomas Bartlett

1. Israel Bartlett b. 18 Jan 1774, d. 28 Apr 1859
2. Joseph Bartlett b. 22 Mar 1776
3. Thomas Bartlett b. 24 Apr 1778, d. 29 Sep 1842
4. Jonathan Bartlett b. 2 Jul 1780, d. b 1878
5. Bradbury Bartlett b. 21 Jan 1783, d. 1 Sep 1869
6. Sarah Bartlett b. 26 Jul 1785, d. 30 May 1786
7. Josiah Bartlett b. 31 Mar 1787, d. b 1878
8. David Bartlett b. 27 Apr 1789, d. 27 Jul 1868
9. Enoch Bartlett b. 6 Jul 1791, d. 20 Dec 1818
10. Betsey Bartlett b. 6 Aug 1793, d. 3 Nov 1845
11. Jacob Bartlett b. 16 Jun 1796, d. 18 Feb 1841
12. Patty Cilley Bartlett b. 7 Nov 1798, d. 6 Jul 1803

Citations
1. J. P. Cilley. The Cilley Family. Augusta, ME: n.pub., 1878.
2. New Hampshire, Death and Disinterment Records, 1754-1947. Ancestry.com. Israel Bartlett.
3. Nottingham Square Cemetery, Nottingham, Rockingham, New Hampshire. Gravestone, Mrs. Sarah.
4. Nottingham Square Cemetery, Nottingham, Rockingham, New Hampshire. Gravestone.
5. Rev. Elliott C. Cogswell. History of Nottingham, Deerfield, and Northwood, NH. Manchester: John B. Clark, 1878.
6. New Hampshire Birth Records, 1659-1900. Ancestry.com. Israel Bartlett.
7. Nottingham Square Cemetery, Nottingham, Rockingham, New Hampshire. Gravestone, Betsey & Mary D. Bartlett.