| Regimental number | 366 |
| Place of birth | Toolleen Victoria |
| Other Names | WHITLOCK, Alex |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | 269 McKenzie Street, Golden Square, Bendigo, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | T Whitlock, 269 McKenzie Street, Golden Square, Bendigo, Victoria |
| Enlistment date | 16 July 1915 |
| Rank on enlistment | Lance Sergeant |
| Unit name | 29th Battalion, A Company |
| AWM Embarkation Roll number | 23/46/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 10 November 1915 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 32nd Battalion |
| Fate | Returned to Australia 24 January 1919 |
| Family/military connections | Brother: 367 Sergeant John WHITLOCK, 14th Infantry Brigade Headquarters, returned to Australia, 1 July 1919. |