Mary married John Smith Blackwell on 21 Nov 1844 in Cuyahoga, Ohio. John (son of Joseph Blackwell and Ann Smith) was born on 9 Mar 1814 in Watton, Kimcote, Leicestershire, England; died on 27 Feb 1866 in Lorain, Ohio. [Group Sheet]

1. Grace Blackwell was born in 1844 in Avon, Lorain, Ohio; and died.
2. John Blackwell was born in 1845 in Avon, Lorain, Ohio; and died.
3. Mary Coates Blackwell was born in Mar 1848 in Sheffield, Lorain Co., Ohio; died before 1929 in Emerson, Gratiot, Michigan.
4. Franklin Mathew Blackwell was born on 1 Dec 1850 in Avon, Lorain, Ohio; died on 13 Oct 1941 in Laporte, Harris, Texas.
5. Margaret A. Blackwell was born on 30 Dec 1852 in Ohio; died on 1 Mar 1943 in Iowa City, Wright, Iowa.
6. Nellie M. Blackwell was born on 15 Jul 1855; died on 21 Apr 1857.
7. Albert Outhwaite Blackwell was born on 21 Oct 1857 in Avon, Lorain, Ohio; died on 22 Feb 1952.
8. Edward Blackwell was born in 1860 in Avon, Lorain, Ohio; and died.
9. Burt Blackwell was born on 17 Jul 1863 in Avon, Lorain, Ohio; died on 30 Jan 1948 in La Porte, Harris, Texas.