| Regimental number | 11/643 |
| Address | Napier |
| Marital status | Single |
| Next of kin | Father, A Coates, Smeeton's Buildings, Queen Street, Auckland |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Wellington Mounted Rifles Regiment |
| Embarkation details | Unit embarked from Wellington on |
| Members of the Wellington Mounted Rifles Regiment in the Main Body left New Zealand on board three ships ('Arawa', 'Orari', and 'Tahiti'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | 2nd Lieutenant |
| Final unit | New Zealand Machine Gun Squadron |
| Fate | Died of disease |
| Age at death from cemetery records | 25 |
| Place of burial | Purewa Public Cemetery (Block F, Row 37, Grave 33), Auckland |
| Miscellaneous information from cemetery records | Parents: Oswald and Valerie A Coates (nee Lassaie), 14 Hastings Road, Remuera, Auckland. Served at Gallipoli, Sinai and in Palestine |
| Other details | Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Wellington Mounted Rifles/Main Body |