| Regimental number | +3746 |
| Place of birth | Hobart, Tasmania |
| Other Names | Arnold, Montrooson Joseph |
| Religion | Roman Catholic |
| Occupation | Hairdresser |
| Address | 16 Star Street, Hobart, Tasmania |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | F/Gu, Address unknown, W Allsebrook, 16 Star Street, Hobart, Tasmania |
| Previous military service | 23rd Australian Army Medical Corps |
| Enlistment date | 16 March 1915 |
| Rank on enlistment | Sergeant |
| Unit name | Infantry Brigade 7, Field Ambulance 7, Section C |
| AWM Embarkation Roll number | 26/50/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A11 Ascanius on 25 May 1915 |
| Regimental number from Nominal Roll | 3746 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 13th Field Ambulance |
| Fate | Returned to Australia 25 March 1919 |
