| Regimental number | 4/1769 |
| Date of birth | |
| Place of birth | Auckland |
| Occupation | Engineer |
| Marital status | Single |
| Height | 5' 10" |
| Weight | 146 lbs |
| Next of kin | Father, J W Dadson, Salisbury Road, Morningside, Auckland |
| Previous military service | Served in No 3 Company, Engineers, Territorial Force; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Sapper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Horse Transports, 10th Reinforcements Details, New Zealand Field Engineers |
| Embarkation details | Unit embarked from Wellington on board Waihora on |
| Final rank | Sapper |
| Final unit | 2nd Field Company, New Zealand Field Engineers |
| Fate | Killed in Action |
| Age at death from cemetery records | 21 |
| Place of burial | Quarry Cemetery (Plot V, Row D, Grave No 5), Montauban, France |
| Miscellaneous information from cemetery records | Parents: John William and Maria Emma Dadson, Auckland |
| Other details |
War service: Egypt, Western Front Embarked Wellington, 22 February 1916; disembarked Suez, 31 March 1916. Embarked Port Said to join the British Expeditionary Force, France, 13 April 1916. Posted to No 2 Field Company Engineers, Armentieres, 8 August 1916. Killed in action, 8 September 1916. Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 23, p. 7 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 20994837 |