| Regimental number | 3721 |
| Religion | Church of England |
| Occupation | Fisherman |
| Address | Bundaberg, Queensland |
| Marital status | Single |
| Age at embarkation | 43 |
| Next of kin | Father, William Cunnack John, Woodooma Street, Bundaberg, Queensland |
| Enlistment date | 1 August 1917 |
| Rank on enlistment | Private |
| Unit name | 52nd Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/69/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 31 October 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 41st Battalion |
| Fate | Returned to Australia 25 September 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt William Roseburge John on NR |