John married Abigail Jessup on 17 Jan 1750/1 in Fairfield Township, Fairfield, Connecticut, British Colonial America. Abigail (daughter of Capt Edward Jessup, III and Sarah Blackleach) was born on 9 May 1731 in Fairfield, Fairfield, Connecticut, United States; died on 4 Jul 1773 in Fairfield, Connecticut, United States; was buried in 1773 in Fairfield, Fairfield, Connecticut, United States. [Group Sheet] [Family Chart]

1. Gideon Allen, IV was born on 19 Oct 1751 in Fairfield Township, Fairfield, Connecticut, British Colonial America; died on 22 Nov 1824 in Sherman, Fairfield, Connecticut, United States; was buried in Nov 1824 in Sherman, Fairfield, Connecticut, United States.
2. Abigail Allen was born on 13 Mar 1753 in Fairfield Township, Fairfield, Connecticut, British Colonial America; and died.
3. Martha Allen was born on 1 Apr 1755 in Fairfield Township, Fairfield, Connecticut, British Colonial America; died on 25 Nov 1834.
4. Anna Allen was born on 18 Jan 1757 in Fairfield, Fairfield, Connecticut Colony, British Colonial America; died on 14 Jan 1776 in Fairfield, Fairfield, Connecticut, United States; was buried in 1776 in Fairfield, Fairfield, Connecticut, United States.
5. John Allen, Jr was born on 14 Aug 1759 in Fairfield Township, Fairfield, Connecticut, British Colonial America; died on 20 Apr 1825 in Sherman, Fairfield, Connecticut.
6. James Allen was born on 14 Jul 1762 in Fairfield Township, Fairfield, Connecticut, British Colonial America; was christened on 18 Jul 1762; died in UNKNOWN.
7. Samuel Allen was born on 3 Aug 1765 in Fairfield Township, Fairfield, Connecticut, British Colonial America; died on 27 Nov 1837 in Connecticut, United States; was buried in 1837 in Sherman, Fairfield, Connecticut, United States.
8. Sarah Allen was born on 25 Dec 1768 in Fairfield Township, Fairfield, Connecticut, British Colonial America; died on 15 May 1847 in Connecticut, United States; was buried in 1847 in Sherman, Fairfield, Connecticut, United States.