John Carhart (646) was born on 27 Jun 1794.
John married Helen Layton (662) on 30 Jan 1817. Helen was born 28 Sep 1792 in Queens County, New York, United States to Garret and Jane (Seaman) Layton.
John and Helen had the following children:
- William H. Carhart (663) - born 8 Jun 1818 in New York, United States. He died before 1882.
- Jane Carhart (673) - born 16 Nov 1819. She died 31 Jul 1821.
- Annie Elizabeth Carhart (674) - born 21 Oct 1821. She died 22 Oct 1826.
- Sarah Helen Carhart (675) - born 15 Apr 1824 in New York, United States. She died on 27 Sep 1898 in Oyster Bay, Nassau, New York, United States.
Helen died at the age of 37 on 14 Apr 1830. John died at the age of 36 on 1 Mar 1831 in New York City, New York, New York, United States.