| Service number | 2443 |
|---|---|
| Rank | Private |
| Unit | 4th Australian Pioneer Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1916-03-02 |
| Fate | Returned to Australia |
| Fate Date | 09 May 1917 |
First World War Nominal Roll Michael James O'Brien
| Service number | 2443 |
|---|---|
| Rank | Private |
| Unit | 4th Australian Pioneer Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1916-03-02 |
| Fate | Returned to Australia |
| Fate Date | 09 May 1917 |
