| Richard DUCKHAM | | Western Australia | 2004 |
| Thomas DUCKHAM | at R.G.H. Concord, Cremorne | Western Australia | 1976 |
| Clara DUCKHAM | Mosman, formerly of (born West Maitland) | Western Australia | 1974 |
| Desmond DUCKHAM | Lugarno | Western Australia | 1992 |
| Hilda DUCKHAM | Port Macquarie | Western Australia | 2004 |
| Hilde DUCKHAM | | Western Australia | 2004 |
| Jessie DUCKHAM | Victoria Point | Queensland | 2004 |
| Laura DUCKHAM | at Turanville, Scone | Western Australia | 1899 |
| Lois DUCKHAM | Castle Cove | Western Australia | 1978 |
| Olsin DUCKHAM | | Western Australia | 1982 |
| Robert DUCKHAM | | Victoria | 2004 |
| Steven DUCKHAM | formerly of "Jacana", Bracken Ridge | Queensland | 2003 |
| Peter DUCKHAM | | Victoria | 2008 |