| Regimental number | 3781 |
| Place of birth | Ballarat Victoria |
| Religion | Presbyterian |
| Occupation | Grocer |
| Address | South Yarra, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, D Park, 42 Arthur Street, South Yarra, Victoria |
| Enlistment date | 27 August 1917 |
| Date of enlistment from Nominal Roll | 13 August 1917 |
| Rank on enlistment | Private |
| Unit name | 46th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/63/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 28 February 1918 |
| Regimental number from Nominal Roll | 2781 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Division Headquarters |
| Fate | Returned to Australia 18 July 1919 |
| Family/military connections | Brother: 3892 Pte Duncan Ellis PARK, 1st Pioneer Bn, returned to Australia, 28 March 1919. |
