| Regimental number | 37656 |
| Place of birth | Port Pirie South Australia |
| Religion | Church of England |
| Occupation | Accountant |
| Address | Prince Street, Alberton, South Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, James Ralph Holker, Prince Street, Alberton, South Australia |
| Enlistment date | 3 June 1916 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 30 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A15 Port Sydney on 9 November 1917 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 4th Division Headquarters |
| Fate | Returned to Australia 1 August 1919 |
