On 14 Nov 1771 when Josiah was 23, he married Rachel Magoon (40821) , daughter of David Magoon (21121) (1 Nov 1703-7 Apr 1787) & Rachel Soule (23509) (ca 1706-1 Oct 1797), in Plympton, MA.266 Born on 17 Sep 1750 in Pembroke, MA.266 Rachel died in Plympton, MA, on 23 Sep 1789; she was 39.