| Regimental number | 514 |
| Place of birth | Paynesville, Victoria |
| Religion | Presbyterian |
| Occupation | Chauffeur |
| Address | 21 Cunningham Street, South Yarra, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Robert Duncan, 21 Cunningham Street, South Yarra, Melbourne, Victoria |
| Enlistment date | 14 July 1915 |
| Rank on enlistment | Private |
| Unit name | 29th Battalion, B Company |
| AWM Embarkation Roll number | 23/46/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 10 November 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | Australian Motor Transport Section |
| Fate | Returned to Australia 22 September 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Harclus Cowie Duncan on NR |