| Regimental number | 12/3521 |
| Address | 159 Karangahape Road, Auckland |
| Marital status | Single |
| Next of kin | Brother, William Henry Yaag, 159 Karangahape Road, Auckland |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 8th Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board Willochra on |
| Final rank | Private |
| Final unit | 2nd Battalion, Auckland Infantry Regiment |
| Fate | Died of wounds |
| Place of burial | Brookwood Military Cemetery (Plot VIII, Row D, Grave No 3), Surrey, England |
| Other details |
War service: Egypt, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Eighth |