| Regimental number | 3605 |
| Place of birth | Goodwood, South Australia |
| Religion | Methodist |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 24 |
| Height | 5' 4.75" |
| Weight | 110 lbs |
| Next of kin | Mother, Mrs Martha Allen, 14 Oak Avenue, Unley, South Australia |
| Previous military service | Served for 260 days, Home Service; discharged, Services No Longer Required; previously rejected for AIF enlistment on grounds of defective vision. |
| Enlistment date | |
| Place of enlistment | Mitcham, South Australia |
| Unit name | 48th Battalion, 10th Reinforcements |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A16 Port Melbourne on |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Leicestershire', 3 May 1919; disembarked Adelaide, 18 June 1919; discharged (termination of period of enlistment), Adelaide, 18 July 1919. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Name does not appear on Embarkation Roll. |
| Date of death | |
| Sources | NAA: B2455, ALLEN Clarence |