| Regimental number | 14944 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | 'Strathmore', Vauclause, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Isabel Catherine Dunn, 'Strathmore', Vauclause, Sydney, New South Wales |
| Previous military service | 21st Infantry |
| Enlistment date | |
| Rank on enlistment | Sapper |
| Unit name | August 1916 Reinforcements |
| AWM Embarkation Roll number | 14/42/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 9th Field Company Engineers |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brothers: 2846A Leslie John DUNN, 1st Pioneer Bn, returned to Australia, 16 June 1919; 549 Pte Roy Arthur DUNN, 3rd Machine Gun Bn, returned to Australia, 8 July 1919. |
| Other details |
War service: Western Front Total war service: 4 years 36 days (of which 2 years 167 days were abroad) Medals: British War Medal, Victory Medal |
| Place of burial | Cremated: Eastern Suburbs Crematorium, Sydney, New South Wales |