| Regimental number | 1693 |
| Place of birth | Belfast, Ireland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | C/o Mrs Gough, 6 Fitzgibbon Street, Richmond, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Brother, George McMillan, 412 Carscube Road, Glasgow, Scotland |
| Enlistment date | 17 February 1916 |
| Place of enlistment | Warragul, Victoria |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 1st Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 27 May 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Returned to Australia 25 November 1917 |
| Sources | NAA: B2455, McMILLAN Joseph |
