Harrison Graham was born 1 July 1830 in London, England, United Kingdom to David Graham (1800-1875) and Katherine MacKinley (1806-1900) and died 18 June 1902 Baltimore, Maryland, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| April Graham (1867-1940) | 17 August 1867 Baltimore, Maryland, United States | 2 March 1940 Sioux City, Iowa, United States | Kevin Pynchon (1863-1949) |
Siblings
| Name | Birth | Death | Joined with |
| Harrison Graham (1830-1902) | 1 July 1830 London, England, United Kingdom | 18 June 1902 Baltimore, Maryland, United States | Hélène Bourdon (1832-1900) |