| Regimental number | 6549 |
| Date of birth | |
| Place of birth | Norwood, South Australia |
| School | Norwood Public School; Prince Alfred College, Adelaide, South Australia |
| Religion | Methodist |
| Occupation | Clergyman |
| Address | Paskeville, South Australia |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Mother, Mrs A A Allanson, Magill, South Australia |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/44/5 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on |
| Regimental number from Nominal Roll | 6547 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 50th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1791 Sapper Stanley Albert Henry ALLANSON, 11th Field Company Engineers, returned to Australia, 2 March 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death |