| Regimental number | 13/965a |
| Date of birth | |
| Place of birth | Auckland |
| Religion | Roman Catholic |
| Occupation | Baker |
| Address | c/o L W Faville, Victoria Street, Hamilton |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 5.5" |
| Weight | 147 lbs |
| Next of kin | Sister, Mrs W J Patterson, Waitoa, near Te Aroha |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 3rd Reinforcements, Auckland Mounted Rifles |
| Embarkation details | Unit embarked from Wellington on board Tahiti on |
| Final rank | Trooper |
| Final unit | Auckland Mounted Rifles |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Chunuk Bair (New Zealand) Memorial (Panel No 1), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Brother: Easton Esdale Armstrong, Mitcham Tanko Avenue, Bronte, Tasmania, Australia |
| Other details |
War service: Egypt, Gallipoli Embarked Wellington, 14 February 1915; disembarked Suez, 26 March 1915. Posted to unit, Gallipoli, 30 June 1915. Reported missing, 8 August 1915. Board of Enquiry, held at Zeitoun, 14 January 1916, concluded: 'Previously reported wounded and missing, now believed dead on or about 8 August 1915'. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Mounted Rifles/Third |
| Sources | Archives New Zealand (Wellington), Agency AABK, Series 18805, File 22271704 |