| Regimental number | 1841 |
| Place of birth | Melbourne Vic |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | 8 Wellington Street, Flemington, Victoria |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, Henry R Helliar, 8 Wellington Street, Flemington, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Corps School |
| Fate | Effective abroad (still overseas) |
| Miscellaneous information from cemetery records | Listed on Cordite Factory, Maribyrnong, Victoria, Roll of Honour ('For King & Country. Past Employees Commonwealth Government Cordite Factory who enlisted for Active Service Abroad'). |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |