| Regimental number | 4524 |
| Place of birth | Queanbeyan, New South Wales |
| School | Private School |
| Religion | Methodist |
| Occupation | Forester |
| Address | Canberra via Queanbeyan, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Brother, F S Southwell, Canberra via Queanbeyan, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A71 Nestor on |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Flers, France |
| Age at death | 28 |
| Age at death from cemetery records | 28 |
| Place of burial | A.I.F. Burial Ground, Grass Lane, Flers, France Plot 2, Row B, Grave No. 4), |
| Panel number, Roll of Honour, Australian War Memorial | 92 |
| Miscellaneous information from cemetery records | Parents: George Edward and Anne SOUTHWELL, Fernhill, Ainslie, Queanbeyan, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |