| Regimental number | 3458 |
| Place of birth | Portarlington, Victoria |
| School | Portarlington State School, Victoria |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Mother, Isabella Allen, Stanmore, Portarlington, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Height | 5' 7" |
| Weight | 137 lbs |
| Next of kin | Father, John Allen, Stanmore, Portarlington, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Geelong, Victoria |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/39/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 58th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Fleurbaix, France |
| Age at death | 20.5 |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner (Panel No 14), Australian Cemetery Memorial, Fromelles, France |
| Panel number, Roll of Honour, Australian War Memorial | 165 |
| Miscellaneous information from cemetery records | Parents: John and Isabella ALLEN |
| Family/military connections | Cousin: 2639 Pte Cecil Woods GIBLETT, 59th Bn, killed in action, 19 July 1916. |
| Other details |
War service: Egypt, Western Front Allotted to, and proceeded to 57th Bn, Zeitoun, 23 February 1916; taken on strength of 57th Bn, Tel el Kebir, 23 February 1916. Transferred to 58th Bn, 15 March 1916; taken on strength of 58th Bn, Tel el Kebir, 15 March 1916. Admitted to No 15 Field Ambulance, Staging Camp, 12 April 1916 (not yet diagnosed); discharged and rejoined unit, Ferry Post, 19 April 1916. Embarked Alexandria to join the British Expeditionary Force, 17 June 1916; disembarked Marseilles, France, 23 June 1916. Posted missing, 19 July 1916. Court of Enquiry, held in the field, 1 September 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, ALLEN Ralph Sinclair |