| Regimental number | 5296 |
| Place of birth | London England |
| Other Names | John Rimer Cowley |
| Religion | Church of England |
| Occupation | Miner |
| Address | Gayndah, Queensland |
| Marital status | Single |
| Age at embarkation | 40 |
| Next of kin | Brother, Henry Otta Cowley, Wecroona, Ripon Street, Ballarat, Victoria |
| Enlistment date | 15 February 1916 |
| Rank on enlistment | Sapper |
| Unit name | September 1916 Reinforcements |
| AWM Embarkation Roll number | 16/14/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A23 Suffolk on 29 September 1916 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 2nd Tunnelling Company |
| Fate | Discharged 15 August 1918 |