| Regimental number | 3161 |
| Date of birth | |
| Place of birth | Maryborough, Queensland |
| Religion | Methodist |
| Occupation | Tailor |
| Address | March Street, Maryborough, Queensland |
| Marital status | Single |
| Age at embarkation | 26.6 |
| Height | 5' 4" |
| Weight | 135 lbs |
| Next of kin | Father, John William Adolph Haagenson, March Street, Maryborough, Queensland |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Private |
| Unit name | 52nd Battalion 8th Reinforcement |
| AWM Embarkation Roll number | 23/69/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on |
| Regimental number from Nominal Roll | 3161A |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 50th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Surname spelt HAAGENSEN |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Port Napier', 12 May 1919; discharged (termination of period of enlistment), Brisbane, 13 August 1919. Medals: British War Medal, Victory Medal Also served in World War II: Service No Q89236. |
| Date of death | |
| Age at death | 53 |
| Place of burial | Brisbane General Cemetery, Toowong, QLD |
| Sources | NAA: B2455, HAAGENSON Hans Christian |