| Father | James (Big Jim) SULLIVAN ( - 1903) |
| Mother | Julia DOODY (1858 - 1933) |
| Sibling | Mary Ann (Sr. Mary Munchin) O'SULLIVAN (1882 - 1913) |
| Sibling | James (Jimmy) O'SULLIVAN (1883 - 1959) |
| Sibling | Johanna (Hannah) O'SULLIVAN (1885 - 1983) |
| Sibling | Daniel O'SULLIVAN (1886 - 1887) |
| Sibling | Ellen O'SULLIVAN (1887 - 1972) |
| Sibling | John (Jack) O'SULLIVAN (1890 - 1975) |
| Sibling | Eugene O'SULLIVAN (1893 - 1988) |
| Sibling | Denis O'SULLIVAN (1895 - 1971) |
| Sibling | Margaret (Madge) O'SULLIVAN (1897 - 1925) |
| Sibling | Richard SULLIVAN (1900 - 1900) |
| Sibling | Julia O'SULLIVAN (1901 - 1920) |