| Regimental number | 19566 |
| Place of birth | Port Melbourne Victoria |
| Religion | Methodist |
| Occupation | Clerk |
| Address | 229 Bridge Street, Port Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, J Trewavis, 229 Bridge Street, Port Melbourne, Victoria |
| Enlistment date | 23 March 1916 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 8, Head-Quarters |
| AWM Embarkation Roll number | 13/36/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A7 Medic on 20 May 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 3rd Division Artillery |
| Fate | Returned to Australia 12 June 1919 |
| Family/military connections | Brother: 19567 Sergeant Harold John TREWAVIS, 3rd DAHQ, returned to Australia, 12 June 1919. |