| Regimental number | 442 |
| Place of birth | Allendale via Ballarat, Victoria |
| School | Catholic School, Ballarat, Victoria |
| Religion | Roman Catholic |
| Occupation | Plumber |
| Address | Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Michael Hynes, 88 Grant Street, Ballarat, Victoria |
| Enlistment date | |
| Rank on enlistment | Sergeant |
| Unit name | 3rd Pioneer Battalion, B Company |
| AWM Embarkation Roll number | 14/15/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 3rd Pioneer Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Belgium |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Strand Military Cemetery (Plot VII, Row G, Grave No. 5), Ploegsteert, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 173 |
| Miscellaneous information from cemetery records | Parents: Michael and Mary Agnes HYNES. Native of Allendale, Victoria |
| Family/military connections | Brother to Lieut A E Hynes MC. |