| Regimental number | 1903 |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Hay, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, John Duncan, Pollard Street, Hay, New South Wales |
| Previous military service | 44th Infantry |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 56th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/73/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A37 Barambah on |
| Regimental number from Nominal Roll | 1903B |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Trench Mortar Battery |
| Fate | Returned to Australia |
| Other details |
Son of Ellen and John Duncan War service: Western Front Medals: British War Medal, Victory Medal |