| Regimental number | 822 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Hon T Walker, Mla, Attorney General, Perth, Western Australia |
| Enlistment date | 6 January 1915 |
| Date of enlistment from Nominal Roll | 4 January 1915 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, 3rd Reinforcement |
| AWM Embarkation Roll number | 10/15/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A50 Itonus on 19 February 1915 |
| Regimental number from Nominal Roll | 822A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Machine Gun Battalion Details |
| Fate | Returned to Australia 11 January 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Rhoderick Vincent Walker on NR |
