Mary "Mercy" Wing was born on 7 Jul 1785, the daughter of Reuben Wing and Priscilla (Unknown) Wing. The place of birth is unknown, but it was probably somewhere in the District of Maine in Massachusetts, United States. Her birth was recorded at Livermore, Maine (then in Massachusetts), almost certainly after her parents moved there, sometime in the 1790s.
Mercy Wing married Azael Lovejoy. Azael Lovejoy and Mercy Wing published their intention to marry at Fayette, Maine (then in Massachusetts), on 17 Dec 1803. Their first child was recorded at Livermore, Maine (then in Massachusetts), on 16 Mar 1804.
↑ 2.02.1 George W. Wing, "The Wing Family of America: A History and Genealogical Record of the Descendants of the Rev. John and Deborah Wing, Whose Four Sons With Their Widowed Mother Came to New England in 1632," The Owl, A Genealogical Quarterly Magazine (Kewaunee, Wis., 1919), page 1849