| Regimental number | 21433 |
| Place of birth | Melbourne Victoria |
| Religion | Church of England |
| Occupation | Student |
| Address | St John's College, Kangaroo Point, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, C Walker, Midkin Street, Ashley, New South Wales |
| Previous military service | 7th Infantry |
| Enlistment date | 1 December 1915 |
| Date of enlistment from Nominal Roll | 8 March 1916 |
| Rank on enlistment | Gunner |
| Unit name | 9th Field Artillery Brigade, Brigade Ammunition Column |
| AWM Embarkation Roll number | 13/36A/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on 11 May 1916 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Spelt Evan Purwen Walker on NR |