| Regimental number | 577 |
| Place of birth | Annandale New South Wales |
| Religion | Church of England |
| Occupation | Blacksmith |
| Address | Stella Street, Hillgrove, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, David William Whalan, Stella Street, Hillgrove, New South Wales |
| Enlistment date | 23 August 1914 |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, E Company |
| AWM Embarkation Roll number | 23/19/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A23 Suffolk on 18 October 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Returned to Australia 23 July 1915 |
| Miscellaneous details (Nominal Roll) | *John spelt Johnson |
