| Rank | Lieutenant |
|---|---|
| Unit | 18th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1915-06-04 |
| Fate | Returned to Australia |
| Fate Date | 15 November 1919 |
First World War Nominal Roll James Cooper Costain
| Rank | Lieutenant |
|---|---|
| Unit | 18th Australian Infantry Battalion |
| Conflict/Operation | First World War, 1914-1918 |
| Enlistment Date | 1915-06-04 |
| Fate | Returned to Australia |
| Fate Date | 15 November 1919 |
