| Regimental number | 5363 |
| Place of birth | Giechville Victoria |
| School | Mt Eccles, Victoria |
| Other training | Nil |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | Mount Eccles via Leongatha, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs M A Cosson, Mount Eccles via Leongatha, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/24/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed accidentally |
| Place of death or wounding | Near Station of Auvers-Sur-Oise, Seine et Oise, France |
| Age at death | 18.10 |
| Age at death from cemetery records | 18 |
| Place of burial | Auvers-aur-Oise Commnal Cemetery (Near North-East (far left) corner), France |
| Panel number, Roll of Honour, Australian War Memorial | 167 |
| Miscellaneous information from cemetery records | Parents: Henry and Mary COSSON, Henry Street, Korumburra, Victoria. Native of Gippsland |
| Family/military connections | Brother: 5557 Pte Arthur COSSON, 22nd Bn, returned to Australia, 16 March 1918; Nephew: [2454] 2nd Lt John George COSSON DCM, 48th Bn, killed in action, 7 August 1916; Cusin: 1653 Pte Norman ANDERSON MM & Bar, 6th Field Ambulance, returned to Australia, 13 April 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |