| Father | Thomas (Tom) CRONIN (1831 - 1912) |
| Mother | Johanna CUNNINGHAM (1840 - 1920) |
| Sibling | John CRONIN (1859 - 1916) |
| Sibling | Timothy Joseph CRONIN (1860 - 1932) |
| Sibling | Mary CRONIN (1862 - ) |
| Sibling | 'unknown' CRONIN ( - 1911) |
| Sibling | 'unknown' CRONIN ( - 1911) |
| Sibling | Jeremiah CRONIN (1868 - ) |
| Sibling | Patrick J. CRONIN (1870 - 1959) |
| Sibling | Ellen (Helen) B. CRONIN (1872 - 1949) |
| Sibling | Johanna (Hannah) Ann CRONIN (1874 - 1967) |
| Sibling | Anne CRONIN (1876 - ) |
| Sibling | Margaret CRONIN (1876 - ) |
| Sibling | Thomas (Tom) CRONIN (1878 - 1963) |
| Sibling | Daniel (Dan) CRONIN (1880 - 1971) |
| Sibling | Honora (Nora) CRONIN (1883 - ) |
| Sibling | 'unknown' CRONIN ( - 1911) |