1904-1987
| Mary Frances Costello | |
| B: | 13 Dec 1904 |
| California | |
| D: | 30 Oct 1987 |
| Alameda County, California | |
-Yes, date unknown
| Edwin McInnis | |
| D: | Yes, date unknown |
1907-Yes, date unknown
| Leland Costello | |
| B: | 1907 |
| D: | Yes, date unknown |
1913-1997
| Robert W. Costello | |
| B: | 1913 |
| D: | 1997 |
1916-Yes, date unknown
| John Costello | |
| B: | 1916 |
| D: | Yes, date unknown |
|
Abt 1882-Yes, date unknown
| Grace M. Blacklock | |
| B: | Abt 1882 |
| California | |
| D: | Yes, date unknown |
Abt 1880-Yes, date unknown
| Frank Costello | |
| B: | Abt 1880 |
| California | |
| D: | Yes, date unknown |