John married Caroline Smith Hyde on 8 Jan 1827 in Orwell, Addison, Vermont, United States. Caroline (daughter of Reuben C. Hyde and Jane Ann Hay) was born on 15 May 1806 in Johnson, Lamoille, Vermont, United States; died on 16 Mar 1883; was buried in 1883 in Port Henry, Essex, New York, United States of America. [Group Sheet] [Family Chart]

1. Thomas Emmet Douglas was born on 1 Mar 1828 in Ticonderoga, Essex, New York, United States; died on 28 Feb 1883; was buried in 1883 in Port Henry, Essex, New York, United States of America.
2. Helen Mary Douglass was born on 10 Nov 1829 in Ticonderoga, Essex, New York, United States; died on 22 Nov 1885; was buried in 1885 in Port Henry, Essex, New York, United States of America.
3. Hannah Jane Douglass was born on 3 Apr 1832 in Ticonderoga, Essex, N-Yr.; died on 3 Sep 1898.
4. John Hyde Douglass was born on 17 Mar 1834 in Ticonderoga, Essex, New York, United States; died on 10 May 1835 in Ticonderoga, Essex, New York, United States; was buried in 1835 in Port Henry, Essex, New York, United States.
5. Caroline Elizabeth Douglass was born on 10 Dec 1835 in Ticonderoga, Essex, New York, United States; died on 15 Apr 1861 in Port Henry, Essex, New York, United States; was buried in 1861 in Port Henry, Essex, New York, United States of America.
6. Harriet Maria Douglass was born on 16 Mar 1838 in Willsborough, Essex, New York, United States; died on 22 Feb 1915 in California, United States; was buried in 1915 in Port Henry, Essex County, New York, United States.
7. Rosamond Octavia Douglass was born on 7 Nov 1842 in Moriah, Essex, New York, United States; died on 2 Apr 1886; was buried in 1886 in Port Henry, Essex, New York, United States.