On 16 Mar 1722 when Mercy was 21, she married
John Bourne (14191) , son of
Col. Melatiah Bourne (13314) (12 Jan 1673/4-24 Nov 1742) &
Desire Chipman (4891) (26 Feb 1672-28 Mar 1705), in Sandwich, MA.
Born on 10 Mar 1698 in Sandwich, MA. John died in Falmouth, MA, on 2 Feb 1754; he was 55.