| Regimental number | 55027 |
| Occupation | Dairyman |
| Next of kin | Father, Joseph William Barwick, Duvauchelle |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade Reinforcements (Second Draft), J Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 90 Ulimaroa on |
| Sources | Nominal Roll Vol. 3: Roll 69, p. 36 |