| Regimental number | 57122 |
| Place of birth | Australia |
| Occupation | Farmer |
| Next of kin | Father, James McKenna, Private Bag, Pahiatua |
| 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 |
| Final rank | Private |
| Final unit | New Zealand Reinforcements |
| Fate | Accidentally killed |
| Age at death from cemetery records | 20 |
| Place of burial | Efford Cemetery (Roman Catholic Section, Class C, Grave No 3386), Plymouth, Devonshire, England |
| Miscellaneous information from cemetery records | Parents: Mr J and Mrs V M McKenna, Pahiatua |
| Family/military connections | Brother: 13/995 Patrick Clive McKENNA |
| Sources | Nominal Roll Vol. 3: Roll 69, p. 37 |