| Regimental number | 466 |
| Place of birth | Adelaide, South Australia |
| Religion | Presbyterian |
| Occupation | Auctioneer |
| Address | c/o Bagot, Shakes, Lewis, Adelaide, South Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Height | 5' 11" |
| Weight | 164 lbs |
| Next of kin | Mother, Ailcie Kate MacMillan, Kalgoorlie Road, Largs, South Australia |
| Previous military service | Member for 3.5 years, Blythe Rifle Club. |
| Enlistment date | |
| Place of enlistment | Oaklands, South Australia |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 13th Reinforcement |
| AWM Embarkation Roll number | 10/14/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 11th Light Horse Regiment |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 3438 Pte Ian Stewart MACMILLAN, 50th Bn, returned to Australia, 19 September 1918; 3439 Pte Douglas Gilchrist MACMILLAN MM, 50th Bn, returned to Australia, 12 May 1919. |
| Other details |
Originally due to embarked with 11th Light Horse Regiment, C Squadron, June 1915. Taken ill, and reassigned to 9th Light Horse Regiment. War service: Egypt, Palestine Taken on strength, 9th Light Horse Regiment, Heliopolis, 10 February 1916. Rejoined 11th Light Horse Regiment, 22 February 1916. Appointed Lance Sergeant, 19 June 1916; Temporary Sergeant, 10 July 1916; Sergeant, 27 October 1916. Admitted to 1/2 East Riding Field Ambulance, 29 October 1916 (tonsilitis); discharged to duty, 21 November 1916. Wounded in action, Palestine, 13 November 1917 (gun shot wound, neck), and admitted to 4th Light Horse Field Ambulance; transferred to 74th Casualty Clearing Station, 14 November 1917; to 44th Stationary Hospital, Kantara, 15 November 1917; to 14th Australian General Hospital, Abbassia, 16 November 1917. Listed as 'dangerously ill', 18 November 1917. Medical report, 31 December 1917: 'Complete paralysis from waist downwards came on immediately [after wounding].' Commenced return to Australia on board HT 'Ulysses', 15 February 1918; disembarked Melbourne, 18 March 1918, for overland travel to Adelaide; discharged (medically unfit), 10 October 1918. Total war service: 3 years 279 days (of which 2 years 67 days were abroad) Died, 15th Australian General Hospital, Torrens Park, South Australia, 31 May 1919 (hypostatic pneumonia: due to war service). Medals: British War Medal, Victory Medal |
| Date of death |