| Regimental number | 335 |
| Place of birth | Melbourne Victoria |
| Religion | Roman Catholic |
| Occupation | Shearer |
| Address | Northam, Western Australia |
| Marital status | Single |
| Age at embarkation | 39 |
| Next of kin | Brother, J McMahon, 10th Light Horse |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 4, Reinforcement 4 |
| AWM Embarkation Roll number | 24/9/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Machine Gun Battalion |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |