| Regimental number | 2196 |
| Place of birth | Queanbeyan New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Michelago, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Michael McMahon, Michelago, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 55th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/72/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 55th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1276 Lance Corporal Michael McMAHON, 20th Bn, returned to Australia, 12 November 1916. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 84 |
| Place of burial | Michelago Cemetery, New South Wales |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
