| Regimental number | 9145A |
| Place of birth | Nhill, Victoria |
| Religion | Church of England |
| Occupation | Orchardist |
| Address | Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Height | 6' 2" |
| Weight | 170 lbs |
| Next of kin | Father, J W Trumble, 'Leddicott', Church Street, Middle Brighton, Victoria |
| Previous military service | Served in Geelong College Cadets, Victoria. |
| Enlistment date | 14 July 1915 |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | Convalescent Depot, Harefield Park, London, and Special Reinforcements (Feb 1915 - March 1916) |
| Embarkation details | Unit embarked from Melbourne, Vic, on board HMAT A63 Karoola on 1 December 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Medical Corps |
| Fate | Returned to Australia 1 November 1919 |
| Family/military connections | Brother: Captain Hugh Compson TRUMBLE, Australian Army Medical Corps, discharged (appointment terminated) in England, 7 June 1920. |
| Sources | NAA: B2455, TRUMBLE John Compson |