| Regimental number | 6/315 |
| Date of birth | |
| Place of birth | Lyttelton |
| True Name | NILSEN, Harry Walter Allwright |
| Religion | Church of England |
| Occupation | Fisherman |
| Address | Wharf, Kaikoura |
| Marital status | Single |
| Age at embarkation | 24.4 |
| Height | 5' 7" |
| Weight | 147 lbs |
| Next of kin | Father, John Peter Nilsen, The Wharf, Kaikoura |
| Previous military service | Served in 12th (Nelson) Regiment, Territorial Force; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Canterbury Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on |
| The Canterbury Infantry Battalion, Main Body, left New Zealand on board two ships, 'Tahiti' and 'Athenic'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Private |
| Final unit | 12th (Nelson) Company, Canterbury Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 25 |
| Place of burial | No known grave |
| Commemoration details | Chunuk Bair (New Zealand) (Panel No 13) Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: Mr & Mrs John Peter Nilsen, High Street, Carterton |
| Other details |
War service: Egypt, Gallipoli Wounded in action; admitted to Hospital Ship 'Braemar Castle', 14 May 1915 (gun shot wound, left wrist: slight); disembarked Malta, 18 May 1915, and admitted to Intarfa Hospital. Embarked for Alexandria, and attached to strength of NZ Advanced Base Depot, Mustapha, 13 June 1915. Embarked Alexandria for Gallipoli, 19 June 1915; rejoined Bn, 25 June 1915. Admitted to No 2 Stationary Hospital, Mudros, 9 July 1915 (diarrhea); rejoined unit, Gallipoli, 22 July 1915. Killed in action, 7 August 1915. War service: 358 days (of which 319 days were abroad) Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Canterbury Infantry Batln/Main Body |