| Regimental number | 299 |
| Place of birth | Wounerup Western Australia |
| Religion | Church of England |
| Occupation | Farmer |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Ms E R Locke, Woonnerup, Western Australia |
| Enlistment date | 19 October 1914 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/15/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A47 Mashobra on 17 February 1915 |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 3rd Light Horse R Bge G Sq |
| Fate | Returned to Australia 3 September 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Joseph Allen Locke on NR |