| Regimental number | 3569 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Fubber works employee |
| Address | 20 Rennie Street, Paddington, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, John George Harper, 20 Rennie Street, Paddington, New South Wales |
| Enlistment date | 7 March 1916 |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/47/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A70 Ballarat on 5 August 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 8th Light Trench Mortar Battery |
| Fate | Returned to Australia 28 November 1918 |
| Miscellaneous details (Nominal Roll) | *Given name Joseph John |
