| Regimental number | 858 |
| Place of birth | Perth, Western Australia |
| Religion | Congregational |
| Occupation | Labourer |
| Address | c/o G W Caporn, Goldsworthy Road, Claremont, Western Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, George William Caporn, Goldsworthy Road, Claremont, Western Australia |
| Enlistment date | 7 January 1915 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, 4th Reinforcement |
| AWM Embarkation Roll number | 10/15/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A8 Argyllshire on 19 April 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Light Horse Regiment |
| Fate | Returned to Australia 29 July 1915 |
| Family/military connections | Brother: 857 Pte Douglas Roy CAPRON, 10th Light Horse Regiment, returned to Australia, 8 March 1917. |