| Place of birth | Sydney New South Wales |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Harris Park, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, William Alfred Walker, Station Street West, Harris Park, New South Wales |
| Previous military service | 20th Infantry |
| Enlistment date | 24 March 1916 |
| Rank on enlistment | Lieutenant |
| Unit name | 45th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/62/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A18 Wiltshire on 22 August 1916 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | Special Service |
| Fate | Effective abroad (still overseas) |
