| Regimental number | 245 |
| Place of birth | St Kilda Victoria |
| Religion | Roman Catholic |
| Occupation | Law student |
| Address | East St Kilda, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, J Gavan-Duffy, 'Villette', Hotham Street, East St Kilda, Victoria |
| Enlistment date | 5 May 1915 |
| Rank on enlistment | Corporal |
| Unit name | Hospital Transport Corps |
| AWM Embarkation Roll number | 26/104/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A67 Orsova on 17 July 1915 |
| Rank from Nominal Roll | Staff Sergeant |
| Unit from Nominal Roll | 11th Field Ambulance |
| Fate | Returned to Australia 16 March 1919 |
