| Regimental number | 4675 |
| Place of birth | Wagin Western Australia |
| Religion | Roman Catholic |
| Occupation | Shearer |
| Address | Wagin, Western Australia |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, E McKenna, Wagin, Western Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/33/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 48th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 2365 Pte John Clement McKENNA, 44th Bn, died of wounds, 30 June 1917; 4665 Pte Walter William McKENNA, 48th Bn, killed in action, 7 August 1916. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Karrakatta Cemetery |