| Regimental number | 1102 |
| Religion | Church of England |
| Occupation | Tailor |
| Address | Smith, Kempsey, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, J Walker, Smith Street, Kempsey, New South Wales |
| Enlistment date | 29 February 1916 |
| Rank on enlistment | Private |
| Unit name | Light Trench Mortar Battery, Reinforcement 1 |
| AWM Embarkation Roll number | 13/130/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 9 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Battalion |
| Fate | Returned to Australia 31 May 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Harold McLeay Walker on NR |
