| Regimental number | 1864 |
| Place of birth | Moree New South Wales |
| Religion | Roman Catholic |
| Occupation | Grazier |
| Address | Limbri, New South Wales |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Father, John H Duff, Limbri, New South Wales |
| Enlistment date | 12 August 1915 |
| Rank on enlistment | Acting Corporal |
| Unit name | 1st Light Horse Regiment, 13th Reinforcement |
| AWM Embarkation Roll number | 10/6/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on 20 December 1915 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 5th Divisional Ammunition Column |
| Fate | Returned to Australia 15 May 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt John Quinton Duff on NR |
