On 7 Apr 1741 when Benjamin was 19, he married
Jerusha Phillips (45625) , daughter of
Joseph Phillips (29 Mar 1685-13 Jun 1767) &
Mercy Eames (26592) (1 Oct 1687-2 Apr 1760), in Marshfield, MA.
52 Born on 21 Jul 1721 in Marshfield, MA. Jerusha died in Marshfield, MA, on 5 Sep 1788; she was 67.
Mercy married Benjamin Hatch Jr, while her sister Jerusha married Benjamin Hatch, no Jr. It’s not clear which Benjamin either is.
There were at least two Benjamin Hatches at the time.
a. Benjamin, the son of John & Grace (Stetson) Hatch born 28 Jun 1721
b. Benjamin, the son of Joseph & Mary Hatch born 23 Apr 1722
Based on these dates, the first Benjamin married Jerusha, and the second was Benjmin Jr. who married Mercy.