| Regimental number | 2375 |
| Place of birth | Hillgrove New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Rosalind Park, Magill, South Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, John James Bonnar, Rosalind Park, Magill, South Australia |
| Enlistment date | |
| Rank on enlistment | Driver |
| Unit name | Australian Reserve Park 1, Company 10 |
| AWM Embarkation Roll number | 25/34/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A26 Armadale on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | Army Service Corps |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1361 Pte Roderick Lindsay Donald BONNAR, 9th Light Horse Regiment, returned to Australia, 11 July 1917. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |