| Male Walter Blacklock |
| Birth | Abt 1854 | |
| Death | 30 Nov 1917 | |
| Burial | 2 Dec 1917 | Dixon, Solano County, California |
| Marriage | 1877-1878 | Oakland, Alameda County, California |
| Father | Walter Blacklock | F1743 Group Sheet | |
| Mother | Jane Millican | F1743 Group Sheet | |
| Female Mary Gormley |
| Birth | 17 Jan 1859 | Sherbrook, Ontario, Canada |
| Death | 5 Nov 1935 | Vacaville, Solano County, California |
| Burial | 7 Nov 1935 | Dixon, Solano County, California |
| Father | ||
| Mother | ||
| Female Grace M. Blacklock |
| Birth | Abt 1882 | California |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Frank Costello | F508 | |
| Marriage | ||