| Regimental number | 12/3107 |
| Address | King Street, Frankton Junction |
| Marital status | Single |
| Next of kin | Sister, Mrs Hammond, King Street, Frankton Junction |
| Rank on embarkation | Lance Corporal |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 7th Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Private |
| Final unit | 1st Battalion, Auckland Infantry Regiment |
| Fate | |
| Place of burial | No known grave |
| Commemoration details | Caterpillar Valley (New Zealand) Memorial, Longueval, France |
| Miscellaneous information from cemetery records | Father: William S. McMillan, 10 Bellgrove Street, Dennistoun, Glasgow, Scotland |
| 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/Seventh |