| Regimental number | 5811 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Tailor |
| Address | Church Street, Bankstown, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, James Duncan, Church Street, Bankstown, New South Wales |
| Previous military service | 39th Infantry |
| Enlistment date | 22 June 1916 |
| Date of enlistment from Nominal Roll | 12 June 1916 |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, 16th Reinforcement |
| AWM Embarkation Roll number | 23/36/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 7 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 19th Battalion |
| Fate | Returned to Australia 1 November 1917 |
| Miscellaneous details (Nominal Roll) | *Spelt James Stuart Duncan on NR |