For the surname: OST
| Full Name | Suburb | State | Year |
|---|---|---|---|
| Manfred OST | at Calvary Hospital | Western Australia | 1993 |
| Brian OST | Bracken Ridge | Queensland | 2005 |
| Edward OST | at Townsville, South Townsville, Queensland | Queensland | 2006 |
| Eileen OST | Western Australia | 2003 | |
| Kenneth OST | Redcliffe, formerly of Gatton | Queensland | 2005 |
| Mark OST | Darwin | 0 | |
| Joan OST | Brisbane | 0 | |
| Mark OST | Darwin | 0 | |
| Mark OST | Darwin | Northern Territory | 0 |