| Regimental number | 12009 |
| Place of birth | Tambar Springs New South Wales |
| Religion | Roman Catholic |
| Occupation | Locomotive driver |
| Address | Leichhardt, New South Wales |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, John Mahon, 38 Marion Street, Leichhardt, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | Field Ambulance 9, Section A |
| AWM Embarkation Roll number | 26/52/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Field Ambulance |
| Fate | Returned to Australia |
| Family/military connections | Brother: 4136 Pte Cornelius Joseph MAHON, 1st Pioneer Bn, returned to Australia, 13 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Rookwood Necropolis |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
