| Regimental number | 31461 |
| Place of birth | Ballarat Victoria |
| Other Names | Harold Parks |
| Religion | Church of England |
| Occupation | Leatherworker |
| Address | 21 Rotherwood Street, Richmond, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs E Walker, 21 Rotherwood Street, Richmond, Victoria |
| Previous military service | 22nd Battery Australian Field Artillery |
| Enlistment date | 17 October 1916 |
| Rank on enlistment | Gunner |
| Unit name | Howitzer Brigade 21, Reinforcement 9 |
| AWM Embarkation Roll number | 13/131/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on 23 December 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia 20 June 1919 |