| Service number | 1542 |
|---|---|
| Rank | Sergeant |
| Unit | 14th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1914-12-22 |
| Fate Date | 08 February 1919 |
First World War Nominal Roll Michael John O'Brien
| Service number | 1542 |
|---|---|
| Rank | Sergeant |
| Unit | 14th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1914-12-22 |
| Fate Date | 08 February 1919 |
