| Regimental number | 3370 |
| Place of birth | Normanton, England |
| Religion | Church of England |
| Occupation | Assistant mine manager |
| Address | Lewis Street, Maryville, Wickham, New South Wales |
| Marital status | Married |
| Age at embarkation | 40 |
| Height | 5' 9" |
| Weight | 148 lbs |
| Next of kin | Wife, Mrs Rachael Sumner, Lewis Street, Maryville, Wickham, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Roseberry Park, New South Wales |
| Rank on enlistment | Sapper |
| Unit name | No 4 Tunnelling Company - No 1 Military District |
| AWM Embarkation Roll number | 16/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 4th Tunnelling Company |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: John and Mary SUMNER |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Osterley', 30 March 1918; disembarked Sydney, 15 April 1918; discharged (medically unfit), Sydney, 14 October 1918. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 56 |
| Place of burial | Sandgate Cemetery, Newcastle, New South Wales |
| Sources | NAA: B2455, SUMNER John |