| Place of birth | Dubbo New South Wales |
| Religion | Presbyterian |
| Occupation | Medical practitioner |
| Address | Dubbo, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, J W Sillar, Bank of Australasia, Dubbo, New South Wales |
| Previous military service | 26th Infantry |
| Enlistment date | |
| Rank on enlistment | Captain |
| Unit name | Medical Officers |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | Australian Army Medical Corps |
| Fate | Killed accidentally |
| Place of burial | Compton Chamberlayne Cemetery, Wiltshire, England |
| Panel number, Roll of Honour, Australian War Memorial | 183 |
| Miscellaneous information from cemetery records | Parents: John and Annie SILLAR, Dubbo, New South Wales |