| Service number | 322 |
|---|---|
| Ranks Held | Private, Trooper |
| Birth Place | Australia: Victoria, Melbourne |
| Death Date | 1915-06-15 |
| Death Place | Ottoman Empire: Turkey, Marmara, Gallipoli Peninsula |
| Final Rank | Trooper |
| Service | Australian Imperial Force |
| Unit | 4th Australian Light Horse Regiment |
| Places | |
| Conflict/Operation | First World War, 1914-1918 |
Trooper William John O'Leary
Rolls
-
Roll of Honour:
- Unit
- 4th Australian Light Horse Regiment
- Conflict
- First World War, 1914-1918
- Rank
- Trooper
-
First World War Nominal Roll:
- Unit
- 4th Australian Light Horse Regiment
- Conflict
- First World War, 1914-1918
- Rank
- Private
-
First World War Embarkation Roll:
- Conflict
- First World War, 1914-1918
- Rank
- Private
Timeline
| Date of enlistment | 22 August 1914 | |
|---|---|---|
| Date of embarkation | 19 October 1914 | |
| Date of death | 15 June 1915 | |
| Date of fate | 15 June 1916 |