| Regimental number | 7022 |
| Place of birth | Ballarat, Victoria |
| School | Christian Brothers (Catholic) Colleges Ballarat, Victoria and Kalgoorlie and Perth, Western Australia |
| Religion | Roman Catholic |
| Occupation | Tram conductor |
| Address | 296 Wellington Street, East Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, Rudolph Thomas Hager, 115 Newcastle Street, Perth, Western Australia |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, 23rd Reinforcement |
| AWM Embarkation Roll number | 23/33/5 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 16th Battalion |
| Other details from Roll of Honour Circular | Prominent member of the Perth Harriers and Catholic Young Mens Society. |
| Fate | Killed in Action |
| Place of death or wounding | Hamel, France |
| Age at death | 26 |
| Age at death from cemetery records | 27 |
| Place of burial | Crucifix Corner Cemetery (Plot X, Row B, Grave No. 9), Villers-Bretonneux, France |
| Panel number, Roll of Honour, Australian War Memorial | 79 |
| Miscellaneous information from cemetery records | Parents: Rudolph and Elizabeth HAGER, northam, Western Australia. Native of Ballarat |
| Family/military connections | Brother: 16403 Sapper Arthur Lancelot HAGER MM, 3rd Divisional Signal Company, returned to Australia, 15 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |