The Children of John Gibbs Juner & Hesther his Wife ... 2 Marcey born on the 21 of January 1695 ...
Brownson, Lydia B. (Phinney) and Maclean W. McLean. "Lt. John and Elizabeth (Freeman) Ellis of Sandwich, Mass.", in The New England Historical and Genealogical Register. (Boston: New England Historic Genealogical Society) Vol. 120, p. 34.
Samuel Ellis m. abt 1717 Mercy Ellis, d/o John Gibbs and Esther Swift, b. 21 Jan 1695/6. She m. (2) 12 Apr 1748 Samuel Churchill of Plymouth. [Note: this source says Samuel Churchill was b. 1710, d. 1799. This would make him 15 years younger than Mercy, and so is probably the wrong Samuel Churchill. See other source.]
Smith, D. Alden. "The Descendants of Steph Bryant of Plymouth, and of His Son-In-Law Lt. John Bryant of Plympton", in The New England Historical and Genealogical Register. (Boston: New England Historic Genealogical Society) Vol. 153, p. 433.
Sameul Churchill, d. Plympton 20 Apr 1751, aged 63, m. (2) Plympton 12 Apr 1748 Mercy (Gibbs) Ellis, widow of Samuel Ellis. Will dated 17 Apr 1751, proved 6 May 1751, names wife Mary (Mercy), daughter Mercy Ellis, others.