| Regimental number | 2757 |
| Place of birth | Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Miner |
| Address | 23 Moore Street, Drummoyne, New South Wales |
| Marital status | Single |
| Age at embarkation | 31 |
| Height | 5'8.75" |
| Weight | 150 lbs |
| Next of kin | Mother, Mrs Alice Elizabeth Walker, 23 Moore Street, Drummoyne, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 53rd Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/70/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: George and Alice WALKER. Plaque in New South Wales Garden of Remembrance. |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Field Marshall', 23 April 1918; disembarked Melbourne, 22 May 1918, for onward travel to Sydney; discharged (wounded), Sydney, 10 September 1918. Medals: British War Medal, Victory Medal Death attributed to war service. |
| Date of death | |
| Age at death | 47 |
| Place of burial | Rookwood Crematorium, New South Wales |
| Sources | NAA: B2455, WALKER Harry George |