| Regimental number | 3275 |
| Place of birth | Surrey England |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Denmark, Western Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, A Bracknell, Denmark, Western Australia |
| Enlistment date | 27 July 1915 |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/28/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A38 Ulysses on 2 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Returned to Australia 11 December 1918 |
| Family/military connections | Brother: 3276 Pte George Henry BRACKNELL, 11th Bn, died of wounds, 22 August 1916. |