| Regimental number | 1642 |
| Place of birth | Perth Western Australia |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Gnowangerup, Western Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Charles Joseph Parker, Gnowangerup, Western Australia |
| Enlistment date | 31 July 1915 |
| Date of enlistment from Nominal Roll | 20 July 1915 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/15/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT RMS Mongolia on 22 November 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 4th Trench Mortar Battery |
| Fate | Returned to Australia 2 January 1919 |
| Family/military connections | Brother: 2947 Pte James Robert PARKER, 2nd Signal Squadron, returned to Australia, 29 April 1919. |