| Regimental number | 24205 |
| Date of birth | |
| Place of birth | Finland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 40 |
| Height | 5' 3" |
| Weight | 143 lbs |
| Next of kin | Friend, George Piripi, Publican, Kumara |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 13th Reinforcements, Canterbury Infantry Battalion, C Company |
| Embarkation details | Unit embarked from Wellington on |
| The infantry component of the 13th Reinforcements left New Zealand on board two ships, 'Willochra' and 'Tofua'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Private |
| Final unit | 1st Battalion, Canterbury Infantry Regiment |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel No 2), Zonnebeke, Belgium |
| Miscellaneous information from cemetery records | Brother: Mr K.A. Mattson, Tammerfors, Finland |
| Other details |
War service: Western Front Embarked Wellington, 31 May 1916; disembarked Devonport, England, 26 July 1916; marched into Sling Camp, 28 July 1916. Proceeded overseas to France, 28 August 1916; marched into Base Depot, Etaples, 29 August 1916. Admitted to 24th General Hospital, 5 September 1916 (sprained knee); discharged to duty, 11 September 1916. Joined 1st Bn, Canterbury Infantry Regiment, in the field, 22 September 1916. Found guilty, 12 October 1916, of insubordination: awarded 28 days' Field Punishment No 2. Admitted to No 3 NZ Field Ambulance, 27 March 1917; transferred to 2nd Australian Stationary Hospital, Wimereux, 31 March 1917 (bronchitis); to England, 5 April 1917, and admitted to No 4 NZ General Hospital, Walton-on-Thames; discharged to NZ Command Depot, Codford, 28 April 1917. Ration allowance overdrawn by 18/- over period 5-14 May 1917: sum repaid. Joined 1st Bn, Canterbury Infantry Regiment, France, 31 August 1917. Killed in action, 12 October 1917. Report by 2nd Anzac Burial Corps, 19 November 1917: buried Passchendaele in and around Central Passchendaele and Bellevue. Grave subsequently lost. Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 33, p. 12 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 21373943 |