| Regimental number | 1601 |
| Place of birth | Fitzroy, Victoria |
| Religion | Church of England |
| Occupation | Hairdresser |
| Address | 34 Grant Street, Clifton Hill, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Step-Mother, Mrs Annie St Clair, 34 Grant Street, Clifton Hill, Melbourne, Victoria |
| Enlistment date | 18 April 1915 |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Sergeant |
| Unit name | 19th Battalion, 1st Reinforcement |
| AWM Embarkation Roll number | 23/36/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A32 Themistocles on 12 May 1915 |
| Miscellaneous details (Nominal Roll) | Name does not appear on Nominal Roll |
| Miscellaneous details | True name: William George ST CLAIR |