| Name | Mary Frances Costello | |
| Birth | 13 Dec 1904 | California |
| Gender | Female | |
| Death | 30 Oct 1987 | Alameda County, California |
| Person ID | I1411 | CCBasic |
| Last Modified | 6 Jan 2020 | |
| Father | Frank Costello, b. Abt 1880, California d. Yes, date unknown | |
| Mother | Grace M. Blacklock, b. Abt 1882, California d. Yes, date unknown | |
| Family ID | F508 | Group Sheet | Family Chart |
| Family | Edwin McInnis d. Yes, date unknown | |
| Family ID | F509 | Group Sheet | Family Chart |
| Last Modified | 8 Jun 2018 | |