| Regimental number | 1403 |
| Place of birth | Maitland New South Wales |
| Religion | Church of England |
| Occupation | Bank clerk |
| Address | 14 Berry Street, Neutral Bay, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs. Adelaide Parker, 14 Berry Street, Neutral Bay, New South Wales |
| Enlistment date | 3 August 1915 |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 11th Reinforcement |
| AWM Embarkation Roll number | 10/11/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT SS Hawkes Bay on 23 October 1915 |
| Regimental number from Nominal Roll | 1403a |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 18th Battalion |
| Fate | Returned to Australia 2 January 1919 |
| Family/military connections | Brother: 1404 Pte Roydon Lacy PARKER, 6th Light Horse Regiment, returned to Australia, 28 June 1919. |
