| Regimental number | 3050 |
| Place of birth | Yorketown, South Australia |
| Religion | Methodist |
| Occupation | Grocer |
| Address | Bunbury, Western Australia |
| Marital status | Single |
| Age at embarkation | 32.4 |
| Height | 5' 8" |
| Weight | 137 lbs |
| Next of kin | Mother, Mrs Maria Hoopman, Yorketown, South Australia |
| Previous military service | Nil (previously rejected for AIF enlistment on account of no natural teeth) |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Bunbury, Western Austrakia |
| Rank on enlistment | Private |
| Unit name | 3rd Pioneer Battalion, Reinforcement 6 |
| AWM Embarkation Roll number | 14/15/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Pioneer Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: unable to read |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Argyllshire', 9 December 1918; discharged (medically unfit: rheumatism), Perth, 9 March 1919. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 52 |
| Place of burial | West Terrace Cemetery, Adelaide, South Australia |
| Sources | NAA: B2455, HOOPMAN John Henry |