| Regimental number | 84 |
| Place of birth | Ballarat, Victoria |
| Religion | Church of England |
| Occupation | Signwriter |
| Address | 20 Napier Street, Essendon, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 6" |
| Weight | 138.5 lbs |
| Next of kin | Father, H Allen, 20 Napier Street, Essendon, Victoria |
| Previous military service | Served in 58th Infantry, Citizen's Military Force |
| Enlistment date | |
| Place of enlistment | Queenscliff, Victoria |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, A Company |
| AWM Embarkation Roll number | 23/38/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Miscellaneous details (Nominal Roll) | Name does not appear on Nominal Roll |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2445, ALLEN Henry William |