| Regimental number | 2123 |
| Place of birth | Latrobe Tasmania |
| Religion | Roman Catholic |
| Occupation | Jockey |
| Address | Latrobe, Tasmania |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, James Poweltt, Railton, Tasmania |
| Enlistment date | 10 August 1916 |
| Rank on enlistment | Private |
| Unit name | 40th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/57/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A49 Seang Choon on 23 September 1916 |
| Regimental number from Nominal Roll | 2123A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 40th Battalion |
| Fate | Returned to Australia 12 December 1918 |
| Miscellaneous details (Nominal Roll) | *second given name two spellings Hailin and Harlon |