| Regimental number | 3549 |
| Place of birth | Bruff, Ireland |
| Religion | Roman Catholic |
| Occupation | Seaman |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, D Crotty, Alvaney Minez 149 Buenos Ayres, Argentine, |
| Enlistment date | 14 September 1915 |
| Place of enlistment | Claremont, Tasmania |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/29/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 10 November 1915 |
| Rank from Nominal Roll | 2nd Corporal |
| Unit from Nominal Roll | aust Prov Cps |
| Fate | Returned to Australia 2 August 1919 |
| Sources | NAA: B2455, CROTTY Michael John |