| Regimental number | 978 |
| Place of birth | Deniliquin, New South Wales |
| School | Elimdale and Morago Public Schools, New South Wales |
| Religion | Roman Catholic |
| Occupation | Drover |
| Address | Winton, Queensland |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, W. Middlemiss, Deniliquin, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Townsville, Queensland |
| Rank on enlistment | Private |
| Unit name | 9th Battalion, H Company |
| AWM Embarkation Roll number | 23/26/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board Transport A5 Omrah on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | near Armentieres, France |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Rue-Du-Bois Military Cemetery (Plot I, Row E, Grave No. 27), Fleurbaix, France |
| Panel number, Roll of Honour, Australian War Memorial | 56 |
| Miscellaneous information from cemetery records | Parents: William and Rachel MIDDLEMISS, Hill End, Deniliquin, New South Wales |
| Family/military connections | Cousin: 2213 Sergeant Francis Alexander McGREGOR, 58th Bn, killed in action, 21 July 1916. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, MIDDLEMISS Kenneth McGregor |