| Regimental number | 621 |
| Place of birth | Clarendon New South Wales |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Kurragong, Wagga, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Miss Jean Dunn, Wagga Hotel, Wagga, Nsdw |
| Enlistment date | 24 November 1914 |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/12/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A35 Berrima on 19 December 1914 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Returned to Australia 15 November 1918 |
| Miscellaneous details (Nominal Roll) | *Spelt William Wesley Dunn on NR |
