| Regimental number | 1541 |
| Place of birth | Melbourne, Victoria |
| Religion | Roman Catholic |
| Occupation | Soldier |
| Address | Richmond, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, J Duffy, 30 Lyndhurst Street, Richmond, Victoria |
| Previous military service | Royal Australian Garrison Artillery |
| Enlistment date | 4 July 1918 |
| Rank on enlistment | Gunner |
| Unit name | Heavy Artillery Group 36, Reinforcement 20 |
| AWM Embarkation Roll number | 13/49/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Gaika on 30 July 1918 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 36th Heavy Artillery Brigade |
| Fate | Returned to Australia 22 July 1916 |
| Miscellaneous details (Nominal Roll) | *Stated to be John Thomas Duffy on NR |