| Regimental number | 866 |
| Place of birth | London England |
| Religion | Church of England |
| Occupation | Teamster |
| Address | Ballengarra, Wilson River, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, William Oates, Ballengarra, Wilson River, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 35th Battalion, C Company |
| AWM Embarkation Roll number | 23/52/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A24 Benalla on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 35th Battalion |
| Fate | Died of wounds |
| Place of burial | Bologne Eastern Cemetery (Plot VIII, Row B, Grave No. 175), France |
| Panel number, Roll of Honour, Australian War Memorial | 126 |
| Family/military connections | Brothers: 1923 Pte Clifford William OATES, 36th Bn, killed in action, 21 July 1917; 1924 Pte Reginald OATES, Australian Army Medical Corps Details, returned to Australia, 6 May 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |