| Regimental number | 10/623 |
| Date of birth | |
| Place of birth | Waitara |
| Religion | Church of England |
| Occupation | Mill hand |
| Address | Matapuna, King Country |
| Marital status | Single |
| Age at embarkation | 25.1 |
| Height | 5' 8" |
| Weight | 146 lbs |
| Next of kin | J V Mortensen, Piopio Te Kuiti |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | New Plymouth |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Wellington Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board HMNZT 10 Arawa on |
| Final rank | Lance Corporal |
| Final unit | Wellington Infantry Regiment |
| Fate | Commenced return to New Zealand |
| Family/military connections | Brothers: 10/3959 Ernest Ainer MORTENSEN; 28171 George Victor MORTENSEN |
| Other details |
War service: Egypt, Gallipoli Embarked Wellington, 16 October 1914; disembarked Alexandria, Egypt, 12 April 1914. Embarked Alexandria with unit to join the Mediterranean Expeditionary Force (Gallipoli Campaign), 12 April 1915. Wounded in action, 8 August 1915 (gunshot wound, left hand, serious); admitted to HS 'Itonus', date not stated; transferred to St George's Hospital, Malta, 13 August 1915; proceeded to England, 14 September 1915; to No.1 Southern General Hospital, Birmingham, 21 September 1915; discharged to furlough, 14 October 1915; marched into base depot, 11 November 1915. Commenced return to New Zealand on board HS 'Rotorua', 16 December 1915; disembarked New Zealand, 3 February 1916; discharged (medically unfit), 15 March 1916. Total war service: 1 year 210 days (of which 1 year 111 days was abroad) |
| Miscellaneous details | Nominal Roll Vol. 1: Wellington Infantry Batln/Main Body |
| Date of death | |
| Sources | Archives New Zealand (Wellington), Agency AABK, Series 18805, File 21377868 |