| Regimental number | 389 |
| Place of birth | Ballarat, Victoria |
| School | Smeaton State School; Ballarat High School, Victoria |
| Other training | Was a matriculated student. |
| Religion | Presbyterian |
| Occupation | Teacher |
| Address | Duliston, Gippsland, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, R T Brookes, 422 Lydiard Street North, Ballarat, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, C Company |
| AWM Embarkation Roll number | 23/24/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Battalion |
| Other details from Roll of Honour Circular | He rode 60 miles on horseback from Wrangrabelle to Orbost in order to enlist in the 1st Division. |
| Fate | Killed in Action |
| Place of death or wounding | Gallipoli, Turkey |
| Date of death | |
| Age at death | 22.7 |
| Age at death from cemetery records | 22 |
| Place of burial | No. 2 Outpost Cemetery (Special Memorial 5), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 49 |
| Miscellaneous information from cemetery records | Commemorated on Roll of Honour, Peacock Hall, Ballarat High School, Victoria. Parents: Robert and Agnes BROOKES, 3 Fern Avenue, Windsor, Victoria. Native of Ballarat |
| Family/military connections | Brother: Captain Leslie Robert BROOKES, 21st Bn, returned to Australia. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |