| Regimental number | 4397 |
| Place of birth | Auckland, New Zealand |
| School | Beresford Street, Auckland, New Zealand |
| Age on arrival in Australia | 23 |
| Religion | Church of England |
| Occupation | Jeweller |
| Address | 53 Hepburn Street, Auckland, New Zealand |
| Marital status | Single |
| Age at embarkation | 22 |
| Height | 5' 10.25" |
| Weight | 154 lbs |
| Next of kin | Brother, T Cornwell, 53 Hepburn Street, Auckland, New Zealand |
| Previous military service | Served in the 3rd Auckland Regiment (Countess of Ranfurly's Own); resigned.; New Zealand Territorials |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/34/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 17th Battalion |
| Other details from Roll of Honour Circular | Enlisted 11 February 1916 and posted to 11th Rfcts 17th Bn; taken on strength, 17th Bn, 24 September 1916. |
| Fate | Killed in Action |
| Age at death | 23 |
| Age at death from cemetery records | 22 |
| Place of burial | A.I.F. Burial Ground, Grass Lane (Plot IX, Row D, Grave No. 1), Flers, France |
| Panel number, Roll of Honour, Australian War Memorial | 82 |
| Miscellaneous information from cemetery records | Parents: John and Hannah CORNWELL. Native of Drury, Auckland, New Zealand |
| Other details |
War service: Egypt, Western Front Embarked Alexandria to join the British Expeditionary Force, 28 May 1916; disembarked Plymouth, England, 7 June 1916. Proceeded overseas to France, 10 September 1916; joined 17th Bn, Belgium, 24 September 1916. Killed in action, France, 8 November 1916. Medals: British War Medal, Victory Medal |