On 27 May 1731 Zachariah married Deborah Bishop (34037) , daughter of Ebenezer Bishop (ca 1687-) & Amie Stetson (16169) (ca 1692-), in Duxbury, MA. Born on 6 Aug 1712 in Duxbury, MA. Deborah died in Duxbury, MA, on 4 May 1784; she was 71.

Children of John and Deborah: Bethiah, and Snow 1749.