| Regimental number | 10/1890 |
| Place of birth | Shillelagh, County Wicklow, Ireland |
| Address | Hurleyville, Patea |
| Marital status | Single |
| Next of kin | Father, Hugh McDiarmid, Coollatin, Shillelagh, Co Wicklow, Ireland |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 4th Reinforcements, Wellington Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on |
| The 4th Reinforcements, Wellington Infantry Battalion, left New Zealand on board three ships (HMNZT 21 'Willochra', HMNZT 22 'Knight Templar', and HMNZT 23 'Waitomo'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Private |
| Final unit | 1st Battalion, Wellington Infantry Regiment |
| Fate | |
| Age at death from cemetery records | 26 |
| Place of burial | No known grave |
| Commemoration details | New Zealand Screen Wall Memorial, Walton and Weybridge (Walton-onThames) Cemetery, Surrey, England |
| Miscellaneous information from cemetery records | Parents: Hugh and Margaret McDiarmid 74 Bonaly Road, Edinburgh, Scotland. Born at Shillelagh, County Wicklow, Ireland |
| Other details |
Declared missing, believed dead, England, 7 April 1916 Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Wellington Infantry Batln/Fourth |