| Father | Dr Isidore Maurice Blake (1817 - 1889) |
| Mother | Winifred Agnes Mary Bryne (1822 - 1892) |
| Sibling | Eileen Mary Blake ( - ) |
| Sibling | Marcella Mary Blake (1844 - 1919) |
| Sibling | Isidore Montgomery Blake (1846 - 1908) |
| Sibling | Augustine John Blake (1848 - 1910) |
| Sibling | Maurice O'Connor Blake (1850 - 1885) |
| Sibling | Frances Winifred "Fanny" Blake (1851 - 1914) |
| Sibling | Winifred Ann Blake (1853 - 1933) |
| Sibling | John Bede Blake (1856 - 1928) |
| Sibling | Anthony Francis Blake (1858 - 1868) |
| Sibling | Vincent Ignatius Blake (1859 - 1945) |
| Sibling | Mary Josephine Blake (1861 - 1900) |
