Caroline Allen was born 1856 in Sydney, New South Wales, Australia to Robert Allen (bef1856) and Mary unknown (bef1856) and died 1940 Crookwell, New South Wales, Australia of unspecified causes. She married William Willis (1849-1924) 1871 in Wagga Wagga, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| William Henry Willis (1872-?) | |||
| Sarah Ann Willis (1874-1874) | |||
| Edith Florence Willis (1875-c1918) | |||
| Eliza Alice Willis (1877-c1950) | |||
| Esther May Willis (1879-c1957) | |||
| Unnamed Willis (1881-1881) | |||
| Charles Allen Willis (1883-1955) | 1883 Crookwell, New South Wales, Australia | 1955 Crookwell, New South Wales, Australia | Emily Ivy Vidler (1885-1981) |
| Arthur Robert Willis (1888-c1952) | 1888 Crookwell, New South Wales, Australia | 1952 Crookwell, New South Wales, Australia | Edith Gertrude Cramp (1899-?) |
| Percy Valentine Willis (1891-1975) | 1891 Crookwell, New South Wales, Australia | 1975 Goulburn, New South Wales, Australia | Ethel Amy Vidler (1890-1973) |
| Lila D C Willis (1894-c1926) | |||
| Myrtle Amelia Willis (1896-c1958) | |||
Footnotes (including sources)
| ‡ General |