| Regimental number | 3695 |
| Place of birth | Hawkesbury River New South Wales |
| Religion | Presbyterian |
| Occupation | Soldier |
| Address | Rolfe Street, Mascot, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, James Sinclair, 'Westray', Rolf Street, Mascot, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Sergeant |
| Unit name | 53rd Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/70/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name Oswald Robert |
| Miscellaneous information from cemetery records | Plaque in New South Wales Garden of Remembrance |
| Date of death | |
| Place of burial | Rookwood Necropolis |