| Regimental number | 2020 |
| Place of birth | Jumbunna Victoria |
| Religion | Roman Catholic |
| Occupation | Butcher |
| Address | Jumbunna, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, J Gannon, Jumbunna, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 58th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/75/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A31 Ajana on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 60th Battalion |
| Recommendations (Medals and Awards) |
Mention in Despatches Recommendation date: Military Cross Recommendation date: Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 31089 (31 December 1918); 'Commonwealth Gazette' No. 61 (23 May 1919). |
| Fate | Died of wounds |
| Place of burial | St. Sever Cemetery (Plot Officers C, Row 4, Grave No. 3), Rouen, France |
| Panel number, Roll of Honour, Australian War Memorial | 169 |
| Miscellaneous information from cemetery records | Parents: John and Margaret GANNON, Jumbunna, South Gippsland, Victoria |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |