On 27 Jun 1754 when Jonathan was 38, he first married Keziah Averill. Born on 6 May 1715 in Topsfield, MA.

Keziah, dau. of Job & Susanna (Brown) Averill.

On 25 Oct 1756 when Jonathan was 40, he second married Abigail Cummings (26062) , daughter of Thomas Cummings (10265) (27 Jun 1670-bef 25 Dec 1749) & Mehitable Porter (24 Jun 1682-9 May 1738), in Danvers, MA. Born on 5 Jun 1717 in Boxford, MA.149 Abigail died in May 1810.