| Service number | 1167 |
|---|---|
| Rank | Private |
| Unit | 6th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1914-09-21 |
| Fate | Died of wounds |
| Fate Date | 11 May 1915 |
First World War Nominal Roll William Arthur O'Brien
| Service number | 1167 |
|---|---|
| Rank | Private |
| Unit | 6th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1914-09-21 |
| Fate | Died of wounds |
| Fate Date | 11 May 1915 |
