| Regimental number | 14021 |
| Occupation | Farmer |
| Next of kin | Father, D McMillan, Raes Junction, Otago |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 14th Reinforcements, Otago Infantry Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on |
| The infantry component of the 14th Reinforcements left New Zealand on board two ships, 'Maunganui' and 'Tahiti'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Private |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel 3), Tyne Cot Cemetery, Belgium |
| Miscellaneous information from cemetery records | Parents: Mr and Mrs Donald McMillan, Raes Junction, Otago |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 34, p. 14 |