| Regimental number | 567 |
| Date of birth | |
| Place of birth | Maryborough, Victoria |
| Religion | Church of England |
| Occupation | Clerk |
| Address | 44 Hannan Street, Williamstown, Victoria |
| Marital status | Single |
| Age at embarkation | 21.4 |
| Height | 5' 5.25" |
| Weight | 136 lbs |
| Next of kin | Father, David Crooks, Victoria Street, Carisbrook, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Footscray, Victoria |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, E Company |
| AWM Embarkation Roll number | 23/24/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A20 Hororata on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | 2nd Brigade Headquarters |
| Promotions |
2nd Lieutenant Unit: INF7 Promotion date: Lieutenant Unit: INF7 Promotion date: |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette', second Supplement, No. 30448 (28 December 1917); 'Commonwealth Gazette' No. 57 (18 April 1918). Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 31089 (31 December 1918); 'Commonwealth Gazette' No. 61 (23 May 1919). |
| Fate | Returned to Australia |
| Age at death from cemetery records | 26 |
| Place of burial | Maryborough Cemetery, Victoria |
| Panel number, Roll of Honour, Australian War Memorial | 2 |
| Medals |
Member of the Order of the British Empire Source: 'Commonwealth Gazette' No. 113 Date: |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Bremen', 28 May 1920; disembarked, Melbourne, 21 July 1920; appointment terminated (discharged: demobilisation), Melbourne, 11 October 1920. Medals: Member of the Order of the British Empire, 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, CROOKS David Robert |