| Religion | Roman Catholic |
| Occupation | Surveyor |
| Address | Fremantle, Western Australia |
| Marital status | Married |
| Age at embarkation | 27 |
| Next of kin | Florence Maud Allen, 10 Quarry Street, Fremantle, Western Australia |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | No 6 Tunnelling Company |
| AWM Embarkation Roll number | 16/12/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 3rd Tunnelling Company |
| Fate | Returned to Australia |
| Medals |
Military Cross 'For conspicuous gallantry and devotio to duty. He commanded a party engaged on investigation for enemy leand mines and traps in the area through which our troops were advancing from Auchy, St. Elie, and Hulluch, on 1st-16th October 1918. At great risk he personally removed the detonators from over 300 dangerous traps. His work was done so well that no lives were lost through enemy traps in this area, and over 50 tons of dangerous enemy mines and traps were rendered harmless.'
Source: 'Commonwealth Gazette' No. 10 Date: |
| Family/military connections | Brothers: Brothers: 1154 Pte Fred Hamilton ALLEN, 3rd Light Horse Field Ambulance, returned to Australia, 21 May 1917; 7938 Driver Hamilton Edward ALLEN, Australian Motor Transport Company, effective abroad (still overseas); 1720 Pte Richard Hamilton ALLEN, 28th Bn, returned to Australia, 31 October 1917. |
| Other details |
War service: Western Front Medals: Military Cross, British War Medal, Victory Medal |