| Regimental number | 4665 |
| Place of birth | Wagin Western Australia |
| Religion | Roman Catholic |
| Occupation | Farm labourer |
| Address | Wagin, Western Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| 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 | Killed in Action |
| Age at death from cemetery records | 23 |
| Place of burial | Sunken Road Cemetery (Plot I, row A, Grave No. 6), Contalmaison, France |
| Panel number, Roll of Honour, Australian War Memorial | 146 |
| Miscellaneous information from cemetery records | Parents: Edward and Ellen Agnes MCKENNA, Cook Street, Nedlands, Western Australia. Native of Wagin |
| Family/military connections | Brothers: 4675 Pte James Francis McKENNA, 48th Bn, returned to Australia, 1 June 1919; 2365 Pte John Clement McKENNA, 44th Bn, died of wounds, 30 June 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, McKENNA Walter William |