| Regimental number | 4566 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Shop assistant |
| Address | Pittsworth, Queensland |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, William James Walker, Station Street, Penrith, New South Wales |
| Enlistment date | 18 November 1915 |
| Rank on enlistment | Drummer |
| Unit name | 25th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/42/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Star of Victoria on 31 March 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Returned to Australia 16 July 1917 |