Children of Robert Davis (who moved to Barnstable about 1650) and his second wife Ann (whom he probably married in 1657): Mercy m. (1) Nathaniel Young, m. (2) 10 Jun 1708 Nathaniel Mayo of Eastham. Widow Ann Davis' will, dated 5 May 1699, proved 1 Apr 1701, names only younger children, including Mercy Young.