| Date of birth | |
| Place of birth | Brisbane, Queensland |
| Other Names | AUSTIN, Colin Douglas |
| School | Normal Public School, Brisbane, Queensland |
| Religion | Church of England |
| Occupation | Agriculturist |
| Address | c/o J Bell and Co, 109 Pitt Street, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 41.9 |
| Height | 5' 7.75" |
| Weight | 150 lbs |
| Next of kin | Wife, Mrs C Austin, c/o Mrs Austin, Wickham Terrace, Brisbane, Queensland |
| Previous military service | Served in the Queensland Rifles (appointed Lieutenant, 25 September 1891); not serving in a military unit at time of AIF enlistment. |
| Enlistment date | |
| Rank on enlistment | Lieutenant Hon Captain |
| Unit name | 3rd Battalion C Company |
| AWM Embarkation Roll number | 23/20/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Major |
| Unit from Nominal Roll | 3rd Battalion |
| Promotions |
Captain Promotion date: |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette', Supplement, No. 29455 (28 January 1916); 'Commonwealth Gazette' No. 44 (6 April 1916). |
| Fate | Killed in Action |
| Age at death | 42 |
| Age at death from cemetery records | 42 |
| Place of burial | Lone Pine Cemetery (Plot II, Row D, Grave 22), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 35 |
| Miscellaneous information from cemetery records | Parents: Sophia Catherine and the late Robert AUSTIN; Wife: Mabel AUSTIN, 'Braeside', Blackheath, New South Wales. Native of Brisbane |
| Family/military connections | Brother-in-Law: Brevet Colonel Richard DOWSE DSO, 3rd Division Train, effective abroad (still overseas) |
| Other details |
War service: Egypt, Gallipoli Embarked Alexandria to join the Mediterranean Expeditionary Force (Gallipoli Campaign), 5 April 1915. Promoted Captain, 1 May 1915. Appointed Temporary Major, 4 August 1915. Killed in action, 8 August 1915. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, AUSTIN Colin |