| Regimental number | 2262 |
| Place of birth | London England |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Dubwick North Beach Road, Mount Hawthorn, Western Australia |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Brother, Ernest Millen, Dubwick North Beach Road, Mount Hawthorn, Western Australia |
| Enlistment date | 12 March 1915 |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/28/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A2 Geelong on 6 June 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Returned to Australia 27 July 1917 |
| Miscellaneous details | Name spelled MILLIN on Embarkation Roll. |
