| Regimental number | 1260 |
| Place of birth | Coorparoo, Brisbane, Queensland |
| School | Dunellen, Logan Road and Junction Park Schools, South Brisbane, Queensland |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Cornwall Street,Greenslopes, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, George P Walker, Cornwall Street,Greenslopes, Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 11th Light Horse Regiment, 6th Reinforcement |
| AWM Embarkation Roll number | 10/16/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 11th Field Artillery Brigade |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Stated to be Arthur Plenderleith Walker on NR |
| Place of death or wounding | Gouy, France |
| Age at death | 25 |
| Place of burial | Crouy British Cemetery (Plot IV, Row A, Grave 1), Crouy-Sur-Somme, France |
| Panel number, Roll of Honour, Australian War Memorial | 17 |
| Miscellaneous information from cemetery records | Parents: George Plenderleith and Mary WALKER |