| Regimental number | 5630 |
| Place of birth | Balaklava South Australia |
| Religion | Methodist |
| Occupation | Farm hand |
| Address | Everard, South Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, William Offen, Everard Central, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/44/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 27th Battalion |
| Fate | Returned to Australia |
| Family/military connections | 2885 Pte John OFFEN, 2nd Light Horse, returned to Australia, 15 May 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 65 |
| Place of burial | AIF Cemetery (Row 10, Grave No. 59), West Terrace, Adelaide, South Australia |