| Regimental number | 40350 |
| Occupation | Farmer |
| Next of kin | Father, John Robert McMillan, Kamo, Whangarei |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 23rd Reinforcements, E Company (Unattached) |
| Embarkation details | Unit embarked from Wellington on board HMNZT Corinthic on |
| Final rank | Private |
| Final unit | 2nd Battalion, Wellington Infantry Regiment |
| Fate | Died of wounds |
| Place of burial | Duhallow ADS Cemetery (Plot I, Row D, Grave No 26), near Ieper, Belgium |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 57, p. 18 |