| Regimental number | 2971 |
| Place of birth | Forbes New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Grenfell, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Henry Adolphus Styles, Boyd Creek via Forbes, New South Wales |
| Enlistment date | 5 September 1916 |
| Rank on enlistment | Private |
| Unit name | 57th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/74/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A19 Afric on 3 November 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia 24 January 1919 |
| Miscellaneous details (Nominal Roll) | *Given name William Harold |
