| Regimental number | 1048 |
| Place of birth | Gladstone, Tasmania |
| Religion | Church of England |
| Occupation | Miner |
| Address | Gladstone, Tasmania |
| Marital status | Single |
| Age at embarkation | 30 |
| Height | 5' 8" |
| Weight | 159 lbs |
| Next of kin | Father, John Mallinson, Gladstone, Tasmania |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Portville, Tasmania |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, A Company |
| AWM Embarkation Roll number | 23/29/1 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board Transport A2 Geelong on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in Launceston Garden of Remembrance |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli Commenced return to Australia from Suez on board HS 'Karoola', 25 November 1915; discharged (medically unfit: rheumatism), Hobart, 11 August 1916. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Sources | NAA: B2455, MALLINSON Dudley Rhodes |