| Regimental number | 6949 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Commercial traveller |
| Address | 'Wyandra', 45 Dover Street, Summer Hill, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, John Andrew McMahon, 'Wyandra', 45 Dover Street, Summer Hill, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Motor Transport Driver |
| Unit name | S.T25.98.2R7 |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 2nd Division MTCoy |
| Fate | Returned to Australia |