| Regimental number | 5614 |
| Place of birth | Hurstville, New South Wales |
| School | Hurstville Public School, New South Wales |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Greenthorpe, Greenfell, New South Wales |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, Robert Millikin, Park Road, Hurstville, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/37/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Butte de Warlencourt |
| Age at death | 30.6 |
| Age at death from cemetery records | 30 |
| Place of burial | Warlencourt British Cemetery (Plot IV, Row B, Grave No. 16), France |
| Panel number, Roll of Honour, Australian War Memorial | 92 |
| Miscellaneous information from cemetery records | Parents: Robert and Mary MILLIKIN, Hurstville, New South Wales |
| Family/military connections | Step-brother: 15663 Gunner Robert MILLIKIN MM, 4th Field Artillery Brigade, returned to Australia, 23 March 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |