| Father | Hannibal Hawkins Macarthur (1788 - ) |
| Mother | Anna Maria King (1793 - 1852) |
| Sibling | Elizabeth Macarthur (1815 - 1899) |
| Sibling | Anna Macarthur (1816 - ) |
| Sibling | Catherine Macarthur (1818 - ) |
| Sibling | Charles Macarthur (1820 - ) |
| Sibling | Mary King Macarthur (1822 - ) |
| Sibling | George Fairfowl Macarthur (1825 - ) |
| Sibling | John Alexander Macarthur (1827 - ) |
| Sibling | Emmeline Mary Macarthur (1828 - ) |
| Sibling | Arthur Hannibal Macarthur (1830 - ) |
| Sibling | Emma Jane Macarthur (1832 - ) |
| Sibling | Edward W Macarthur (1835 - 1835) |
| Sibling | Angus Macarthur (1835 - ) |