| Regimental number | 50 |
| Place of birth | Birmingham, England |
| Other Names | ALLEN, Frederick Harry |
| Religion | Church of England |
| Occupation | Seaman Interpreter |
| Address | 73 Lower Fort Street, Dawes Point |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Mary Ann Cox, Crown and Anchor Hotel, Cross Street, Snaithwick, Birmingham, England |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Able Bodied Driver |
| Unit name | 1st Royal Australian Naval Bridging Train |
| AWM Embarkation Roll number | MIS34.12.1.RANBT1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board A39 Port Macquarie on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 1st Royal Australian Naval Bridging Train |
| Fate | Returned to Australia |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |