| Regimental number | 1276 |
| Place of birth | Queanbeyan New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Michelago PO, Michelago, Cooma Line, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Michael McMahon, Michelago PO, Michelago, Cooma Line, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, D Company |
| AWM Embarkation Roll number | 23/37/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 2196 Pte Timothy Edmund McMAHON, 55th Bn, returned to Australia, 2 January 1919. |
| Other details |
War service: Egypt, Gallipoli, Western Front (wounded in action, France) Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Age at death | 65 |
| Place of burial | Michelago Cemetery, New South Wales |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
