| Regimental number | 29857 |
| Date of birth | |
| Place of birth | Roslin, Scotland |
| Religion | Presbyterian |
| Occupation | Engineer |
| Marital status | Single |
| Age at embarkation | 25.2 |
| Height | 5' 8" |
| Weight | 147 lbs |
| Next of kin | Uncle, George Cotter Porteous, 1 Alexandra Street, Caversham, Dunedin |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 18th Reinforcements, Otago Infantry Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on board Willochra on |
| Final rank | Private |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 26 |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel No 3), nr Ieper, Belgium |
| Miscellaneous information from cemetery records | Parents: Mr & Mrs James Porteous, Nisbet Place, Roslin, Midlothian, Scotland |
| Other details |
War service: Western Front Embarked Wellington, 16 October 1916; disembarked Plymouth, England, 29 December 1916, and marched into Sling Camp. Proceeded overseas to France, 1 February 1917; joined 1st Bn, Otago Infantry Regiment, in the field, 1 March 1917, and posted to 4th Company. Reported missing, 12 October 1917. Court of Enquiry, 17 November 1917, concluded: Reasonable to suppose "Killed in action, 12 October 1917". Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 43, p. 14 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 20802122 |