| Regimental number | 25736 |
| Place of birth | Denmark |
| Occupation | Farmer |
| Next of kin | Father, John F W Olsen, Hukutere, Paparoa via Helensville |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 8th Reinforcements to 3rd Battalion, G Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 65 Pakeha on |
| Final rank | Rifleman |
| Final unit | 2nd Battalion, New Zealand Rifle Brigade |
| Fate | Died of wounds |
| Age at death from cemetery records | 26 |
| Place of burial | Bailleul Communal Cemetery Extension (Nord) (Plot III, Row A, Grave No 41), France |
| Miscellaneous information from cemetery records | Parents: John F.W. and I. Hedvig E. Olsen, Hukatere, Kaipara |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 41, p. 35 |