| Regimental number | 3488 |
| Place of birth | Maitland, New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | amworth, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Height | 6' 4" |
| Weight | 196 lbs |
| Next of kin | Father, Arthur Vernon, Calala, West Tamworth, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Armidale, New South Wales |
| Rank on enlistment | Private |
| Unit name | 56th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/73/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | Stated to be John Hall VERNON on Nominal Roll. |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Friedricksruh', 8 July 1919; disembarked Sydney, 4 September 1919; discharged (termination of period of enlistment), Sydney, 18 October 1919. Taken on strength, 56th Bn, 26 October 1917. Wounded (gas), 24 April 1918. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 44 |
| Sources | NAA: B2455, VERNON John Hoare |