| Regimental number | 4092 |
| Place of birth | Dapto New South Wales |
| Religion | Church of England |
| Occupation | Draper |
| Address | Main Road, Dapto, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, George Oyston, Main Road, Dapto, New South Wales |
| Previous military service | 37th Infantry |
| Enlistment date | 19 June 1916 |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/47/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 7 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 30th Battalion |
| Fate | Returned to Australia 5 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Thomas Oyston on NR |
