William married Mary Elizabeth VESTAL, * before 1743 in Virginia, Colonial America. Mary (daughter of William VESTAL, Jr. and Elizabeth MERCER) was born in 1723 in , Chester, PA; died in 1818 in New Burlington, Fulton, OH, USA; was buried in 1818 in Burlington, Warren, OH, USA. [Group Sheet] [Family Chart]

1. James JAY was born on 1 Jan 1744 in , Winchester, VA; died on 5 Feb 1835 in , Person, NC.
2. Sarah JAY was born in 1745 in Maryland, United States of America; was buried in Roxboro, Person County, North Carolina, United States of America.
3. William JAY, Jr. * was born on 12 Sep 1745 in Winchester, Winchester City, Virginia, United States of America; died before 28 Feb 1797 in , Newberry, SC, USA; was buried in Newberry, Newberry County, South Carolina, United States of America.
4. Joseph JAY was born est 1746 in Frederick County, Virginia, USA; died before 25 Aug 1806 in , Abbeville, SC.
5. Deborah JAY was born before 1752; and died.
6. John JAY was born on 26 Oct 1752 in , Frederick, Virginia, USA; died on 23 Apr 1829 in , Miami, OH, USA; was buried in Apr 1829 in , Miami, OH, USA.
7. Mary JAY was born on 9 Sep 1755 in , Berkeley, SC; died after 1803 in Indianapolis, Marion, Indiana, USA.
8. Rachel JAY was born on 16 Aug 1758 in , Orange, NC; died on 8 Oct 1846 in New Burlington, Fulton, OH, USA.
9. Lydia JAY was born on 3 Dec 1761 in , Orange, NC; died after 1804 in , Clinton, OH, USA.
10. Reverend David JAY was born on 28 May 1765 in , Orange, NC; died on 11 Feb 1839 in Nimblewill, Lumpkin County, Georgia, USA; was buried in Old Beulah Cemetery, Near Evergreen, AL.