| Mieczyslaw OSTROWSKI | Tighes Hill | Western Australia | 2002 |
| Edward OSTROWSKI | East Maitland | Western Australia | 2005 |
| Frank OSTROWSKI | Ashfield, formerly of Poland | Western Australia | 1989 |
| Mieczyslaw OSTROWSKI | Tighes Hill | Western Australia | 2002 |
| Cecil OSTROWSKI | Lakemba, formerly of Belfield | Western Australia | 2002 |
| Edward OSTROWSKI | East Maitland | Western Australia | 2006 |
| Edward OSTROWSKI | East Maitland | Western Australia | 2006 |
| Elizabeth OSTROWSKI | in Canberra, formerly of Germany | Western Australia | 2005 |
| Josef OSTROWSKI | Mount Druitt | Western Australia | 1982 |
| Mick OSTROWSKI | | Western Australia | 2002 |
| George OSTROWSKI | | Victoria | 2008 |