| Father | Thomas DAYRELL (1778 - 1844) |
| Mother | Elvira Smith COX (1786 - 1823) |
| Sibling | Thomas DAYRELL (1801 - ) |
| Sibling | Mary Elvira DAYRELL (1802 - ) |
| Sibling | Thomas Nathaniel DAYRELL (1804 - 1864) |
| Sibling | Sarah Elizabeth DAYRELL (1806 - ) |
| Sibling | Dr John Lucy Smith DAYRELL (1808 - 1884) |
| Sibling | Margaret Ann DAYRELL (1812 - ) |
| Sibling | Henry (?Mansel) DAYRELL (1813 - ) |
| Sibling | Susanna Matilda "Susan" DAYRELL (1816 - 1901) |
| Sibling | Sarah Piers DAYRELL (1819 - 1855) |
| Sibling | Beckles DAYRELL (1821 - 1882) |
| Sibling | Catherine Hyndman "Kate" DAYRELL (1823 - 1893) |