| Regimental number | 42485 |
| Date of birth | |
| Place of birth | Otago |
| Religion | Presbyterian |
| Occupation | Fish merchant |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 10" |
| Weight | 159 lbs |
| Next of kin | Father, John Edmonston, Hillgrove, Otago |
| Previous military service | Served in 10th Regiment Reserve; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Place of enlistment | Oamaru |
| Rank on embarkation | Lance Corporal |
| Unit name | New Zealand Expeditionary Force, 24th Reinforcements (1st Draft), Otago Infantry Regiment, D Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 81 Devon on |
| Final rank | Private |
| Final unit | D Company, 2nd Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 27 |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel No 3), Belgium |
| Miscellaneous information from cemetery records | Parents: John and Margaret Edmonston (both b. Scotland), Moeraki, Hillgrove, Otago |
| Other details |
War service: Western Front Embarked Wellington, 5 April 1917; disembarked Devonport, England, 11 June 1917, and marched into Sling Camp, and reverted to the ranks. Proceeded overseas to France, 6 July 1917; joined 2nd Bn, Otago Infantry Regiment, in the field, 9 August 1917, and posted to 10th Company. Wounded in action, 12 October 1917. Court of Enquiry,19 November 1917, concluded: 'Missing believed killed, 12 October 1917.' Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 59, p. 10 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 21000205 |