| Father | William Henry Scott Hindmarsh (1835 - 1919) |
| Mother | Mary Frances Dodds (1835 - 1915) |
| Sibling | Florence Hindmarsh (1857 - ) |
| Sibling | Ada Hindmarsh (1859 - 1944) |
| Sibling | Laura Hindmarsh (1861 - 1864) |
| Sibling | Walter Moreton Hindmarsh (1862 - ) |
| Sibling | Ella Hindmarsh (1863 - 1936) |
| Sibling | Edith Gertrude Hindmarsh (1865 - 1866) |
| Sibling | Eva Hindmarsh (1866 - 1905) |
| Sibling | Herbert Scott Hindmarsh (1869 - 1905) |
| Sibling | Ethel Hindmarsh (1870 - 1926) |
| Sibling | Miriam Noel StJohn Hindmarsh (1872 - 1873) |
| Sibling | Ralph StJohn Hindmarsh (1874 - 1916) |
| Sibling | Constance Hindmarsh (1875 - 1959) |
| Sibling | John Goodwin Hindmarsh (1877 - ) |