| Regimental number | 690 |
| Place of birth | Parramatta New South Wales |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, M Gannon, Lincoln Street, Stanmore, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | Australian General Hospital 2 |
| AWM Embarkation Roll number | 26/66/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A55 Kyarra on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Field Ambulance |
| Fate | Died of wounds |
| Age at death from cemetery records | 22 |
| Place of burial | St. Sever Cemetery Extension (Block P, Plot I, Row, D, Grave No. 5A), Rouen, France |
| Panel number, Roll of Honour, Australian War Memorial | 182 |
| Miscellaneous information from cemetery records | Son of Hannah GANNON, 11 Baker Street, Lewisham, Sydney |
| Family/military connections | Brother: 452 Sergeant John GANNON, 1st Bn, returned to Australia, 24 September 1918. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |