| Regimental number | 74058 |
| Place of birth | Australia |
| Occupation | Contractor |
| Next of kin | Father, Albert Henry Costin, Traralgon Gippsland Victoria Australia |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 37th Reinforcements, D Company |
| Embarkation details | Unit embarked from Wellington on board SS Ionic on |
| Sources | Nominal Rolls Vol. 4: Roll 82, p. 17 |