| Father | Edward FITZMAURICE (1831 - 1891) |
| Mother | Mary Celestine KEENS (1830 - 1904) |
| Sibling | Thomas James FITZMAURICE (1847 - 1920) |
| Sibling | Mary Celastine FITZMAURICE (1854 - 1950) |
| Sibling | James FITZMAURICE (1858 - ) |
| Sibling | Anne FITZMAURICE (1858 - ) |
| Sibling | Agnes FITZMAURICE (1859 - ) |
| Sibling | Edward FITZMAURICE (1860 - ) |
| Sibling | Cecelia Caroline FITZMAURICE (1864 - 1953) |
| Sibling | Christena FITZMAURICE (1867 - ) |
| Sibling | Frances FITZMAURICE (1867 - ) |
| Sibling | Clara FITZMAURICE (1870 - 1963) |
| Sibling | Cornelius Sebastian FITZMAURICE (1872 - 1903) |
| Sibling | Christopher FITZMAURICE (1874 - 1962) |
| Sibling | Florence FITZMAURICE (1876 - ) |