| Regimental number | 488 |
| Religion | Roman Catholic |
| Occupation | Shearer |
| Address | Egan Street, Kalgoorlie, Western Australia |
| Marital status | Single |
| Age at embarkation | 38 |
| Next of kin | Brother, James McMahon, Haman Street, Kalgoorlie, Western Australia |
| Enlistment date | 9 March 1915 |
| Date of enlistment from Nominal Roll | "nonr" |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, C Company |
| AWM Embarkation Roll number | 23/45/1 |
| Embarkation details | Unit embarked from |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A11 Ascanius on 29 June 1915 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A36 on 12 July 1915 |
