| Regimental number | 17221 |
| Occupation | Engineer |
| Next of kin | Father, W Picken, Patutahi, Gisborne |
| Rank on embarkation | Gunner |
| Unit name | New Zealand Expeditionary Force, 16th Reinforcements, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on board HMNZT 61 Aparima on |
| Family/military connections | Brother: 12071 William PICKEN |
| Sources | Nominal Roll Vol. 2: Roll 38, p. 22 |