| Regimental number | 2414 |
| Place of birth | Birregurra Victoria |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Birregurra, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, William Gammon, Birregurra, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 46th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/63/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A15 Port Sydney on |
| Regimental number from Nominal Roll | 2414A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 46th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 2655 Pte Alfred GAMMON, 46th Bn, killed in action, 11 April 1917; 2197 Pte Cecil John GAMMON, 10th Field Ambulance, returned to Australia, 6 September 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |