| Regimental number | 3116 |
| Place of birth | Shell Harbour New South Wales |
| Religion | Church of England |
| Occupation | Dairy farmer |
| Address | Shell Harbour, South Coast, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, William Charles Dunster, Shell Harbour, South Coast, New South Wales |
| Enlistment date | 9 November 1916 |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 24th Reinforcement |
| AWM Embarkation Roll number | 10/11/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A42 Boorara on 10 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Light Horse Regiment |
| Fate | Returned to Australia 28 January 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt William Darcy Dunster on NR |