| Regimental number | 3439 |
| Date of birth | |
| Place of birth | Normanville, South Australia |
| School | St Peter's Collegiate School, Adelaide, South Australia |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Broken Hill, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs Ailcie K Macmillan, Kalgoorlie Road, Largs Bay, South Australia |
| Previous military service | 12th Field Company Army Engineers |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 50th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/67/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A48 Seang Bee on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 50th Battalion |
| Other details from Roll of Honour Circular | Joined the Bank of New South Wales, Port Adelaide branch, 13 April 1914. Transferred to Broken Hill branch, February 1915. |
| Fate | Returned to Australia |
| Medals |
Military Medal Source: 'Commonwealth Gazette' No. 15 Date: |
| Family/military connections | Brothers: 1898/466 Pte Hugh Cameron MACMILLAN, 11th Light Horse Regiment, returned to Australia, 1 March 1918; 3438 Pte Ian Stewart MACMILLAN, 50th Bn, returned to Australia, 19 September 1918. |
| Other details |
War service: Western Front Medals: Military Medal, British War Medal, Victory Medal |
| Date of death | |
| Sources | 'Bank of New South Wales Roll of Honour' (Sydney, 1921), p. 249. |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
