| Regimental number | 8282 |
| Place of birth | Wallaroo, South Australia |
| School | Adelaide High School, South Australia |
| Other training | Cadet, Chemical Laboratory, University of Adelaide, South Australia |
| Religion | Methodist |
| Occupation | Pharmacy student |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 7.5" |
| Weight | 122 lbs |
| Next of kin | Mother, Mrs Agnes Hewish, Main North Road, Nailsworth, South Australia |
| Previous military service | Served in School Cadets for 2 years; 4 years in Senior Cadets; still serving at time of AIF enlistment. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Keswick, South Australia |
| Rank on enlistment | Private |
| Unit name | 2nd Australian General Hospital, Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Field Ambulance |
| Other details from Roll of Honour Circular | 'He was loved by all the boys in the Ambulance. His officers in writing spoke of his sterling work & high standard of bravery under fire.' (details from mother) |
| Fate | Killed in Action |
| Place of death or wounding | Ypres, Belgium |
| Age at death from cemetery records | 19 |
| Place of burial | Belgian Battery Corner Cemetery (Plot II, Row B, Grave No. 12), Ypres, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 182 |
| Miscellaneous information from cemetery records | Parents: Albert and Agnes HEWISH, Main North Road, Prospect, South Australia |
| Other details |
War service: Egypt, Western Front Embarked Alexandria to join the British Expeditionary Force, 26 March 1916; disembarked Marseilles, France, 4 April 1916. On leave to United Kingdom, 27 January 1917; rejoined unit from leave, 6 February 1917. Transferred to 6th Australian Field Ambulance, 4 April 1917. Killed in action, Belgium, 4 October 1917. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Surname incorrectly entered on Embarkation Roll as HERISH. |
| Sources | NAA: B2455, HEWISH Ernest Duncan |