| Regimental number | 3/3865 |
| Occupation | Medical practitioner |
| Next of kin | Father, John Walker Snr, Oak Mount, Northallerton, Yorkshire, England |
| Rank on embarkation | Captain |
| Unit name | New Zealand Expeditionary Force, 34th Reinforcements, New Zealand Medical Corps |
| Embarkation details | Unit embarked from Wellington on board HMNZT 100 Ulimaroa on |
| Final rank | Captain |
| Final unit | New Zealand Medical Corps |
| Medals |
Member of the Order of the British Empire 'For services rendered in connection with the war.'
Source: London Gazette Date: |
| Sources | Nominal Rolls Vol. 4: Roll 78, p. 18 |