| Regimental number | 60219 |
| Place of birth | Marrickville, New South Wales |
| Religion | Church of England |
| Occupation | Fitter |
| Address | Haberfield, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Height | 5' 8.5" |
| Weight | 144 lbs |
| Next of kin | Father, D. Gunn, 26 Walker Avenue, Haberfield, New South Wales |
| Previous military service | 3rd Bn, AIF (discharged as medically unfit) |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | New South Wales Reinforcement 16 |
| AWM Embarkation Roll number | 23/111/6 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A41 Bakara on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 16th General Service Reinforcements |
| Fate | Died of disease |
| Place of burial | No known grave |
| Commemoration details | Hollybrook Memorial, Southampton, England |
| Panel number, Roll of Honour, Australian War Memorial | 36 |
| Family/military connections | Previous period of service, see 1454 Oswald GUNN |
| Other details |
Embarked, 4 September 1918, and promoted to Voyage Only Corporal, the same day. Admitted to Ship's Hospital, 10 October 1918 (pneumonia). Died, 15 October 1918. Buried at sea, 16 October 1918. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, GUNN Oswald George |