| Regimental number | 6041 |
| Place of birth | Darlington England |
| Religion | Church of England |
| Occupation | Farmer |
| Address | The Corso, Manly, New South Wales |
| Marital status | Single |
| Age at embarkation | 43 |
| Next of kin | Brother, Percy Brentnall, the Corso, Manly, New South Wales |
| Enlistment date | 26 June 1916 |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/37/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A11 Ascanius on 25 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Returned to Australia 19 October 1917 |
| Miscellaneous details (Nominal Roll) | *Given name James William |
