On 13 Nov 1750 when Mary was 22, she first married Daniel Simonds (22527) , son of Daniel Simonds (8435) (3 Nov 1693-) & Abigail Smith (7 Jul 1697-2 Apr 1776).260 Born on 28 Dec 1719 in Lexington, MA.260 Daniel was baptized in Lexington, MA, on 3 Jan 1720. Daniel died in Lexington, MA, on 9 Feb 1761; he was 41.260

On 26 May 1763 when Mary was 35, she second married Andrew Munroe (39416) , son of Sergt. George Munroe (20037) (ca 1671-17 Jan 1746/7) & Sarah (-4 Dec 1752).225 Born ca 1718 in Lexington, MA. Andrew was baptized in Lexington, MA, on 4 Jun 1718.225 Andrew died in Lexington, MA on 16 Sep 1766.225

On 6 Dec 1774 when Mary was 47, she third married Caleb Simonds (22551) , son of Lieut. James Simonds (8448) (1 Nov 1686-29 Jul 1775) & Mary Fowle (19976) (18 Jun 1689-9 Mar 1762), in Lexington, MA.256 Born on 27 Aug 1720 in Woburn, MA.124 Caleb died in Burlington, MA, on 4 Jan 1811; he was 90.551

Caleb first married Susanna Converse, second Mary (Mixer) (Simonds) Munroe, widow of Daniel Simonds and Daniel Munroe.