On 23 Feb 1757 Abiel married Anna Chatfield, daughter of Lieut. John Chatfield (20 Feb 1696/7-30 Oct 1793) & Elizabeth Johnson (ca 1701-8 Jun 1751), in Derby, CT. Born on 10 Apr 1732 in Derby, CT.523 Anna died in Derby, CT, on 1 Apr 1760; she was 27.

Child of Abiel and Hannah (Chatfield) Fairchild:
    i. John Fairchild, b. 21 Nov 1757 at Derby, d. 19 Oct 1776 in the army.