| Regimental number | 38 |
| Religion | Church of England |
| Occupation | Clerk |
| Address | 1129 Eyre Street, Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Nicholas Treweek, 1129 Eyre Street, Ballarat, Victoria |
| Enlistment date | 9 April 1915 |
| Rank on enlistment | Private |
| Unit name | Flying Corps |
| AWM Embarkation Roll number | 8/15/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board P+O SS Morea on 20 April 1915 |
| Miscellaneous details (Nominal Roll) | Name does not appear on Nominal Roll |
| Family/military connections | Brother: 670 Pte Norman Leslie TREWEEK, 15th Australian Railway Operating Company, returned to Australia, 31 March 1919. |