| Regimental number | 882 |
| Place of birth | Warragul, Victoria |
| Religion | Church of England |
| Occupation | Labourer |
| Address | School Hill, Warragul, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Mother, Mrs Emily Decker, Warragul, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 8th Battalion, H Company |
| AWM Embarkation Roll number | 23/25/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A24 Benalla on |
| Rank from Nominal Roll | Company Sergeant Major |
| Unit from Nominal Roll | 5th Pioneer Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 4092 Lance Corporal Albert DECKER, 22nd Bn, killed in action, 9 October 1917; 431 Corporal William DECKER, 46th Bn, returned to Austalia, 23 June 1919. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |