| Regimental number | 7/187 |
| Address | Omakure, Motueka |
| Marital status | Single |
| Next of kin | Father, William de Castro, District Land Registra,r Invercargill |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Canterbury Mounted Rifles |
| Embarkation details | Unit embarked from Lyttelton on |
| The Canterbury Mounted Rifles Regiment, Main Body, embarked on board two ships, HMNZT 4 'Tahiti' and HMNZT 11 'Athenic'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Trooper |
| Final unit | Canterbury Mounted Rifles Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 26 |
| Place of burial | No known grave |
| Commemoration details | Chunuk Bair (New Zealand) Memorial (Panel No 4), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: William Waring de Castro and Helen Ratcliffe de Castro, Monro Street, Blenheim |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Canterbury Mounted Rifles/Main Body |