| Regimental number | 1006 |
| Place of birth | Auckland, New Zealand |
| School | Burwood Public School, New South Wales |
| Age on arrival in Australia | 6 |
| Religion | Church of England |
| Occupation | Fitter and turner |
| Address | Avondale, Victoria Parade, Manly, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Height | 5' 8" |
| Weight | 148 lbs |
| Next of kin | Mother, Mrs Elizabeth Ann Courtney, Avondale, Victoria Parade, Manly, New South Wales |
| Previous military service | Served in 20th Infantry, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Acting Sergeant |
| Unit name | Australian Flying Corps, No 4 Squadron, B Flight |
| AWM Embarkation Roll number | 8/7/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Omrah on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Killed in Action |
| Age at death from cemetery records | 24.11 |
| Place of burial | No known grave |
| Commemoration details | Arras Flying Services Memorial, France |
| Panel number, Roll of Honour, Australian War Memorial | 187 |
| Miscellaneous information from cemetery records | Parents: Richard Milliken and Elizabeth COURTNEY |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Miscellaneous details | Second given name entered on Embarkation Roll as Glasson. |
| Sources | NAA: B2455, COURTNEY John Classon |