| Regimental number | 2640 |
| Place of birth | Sydney, New South Wales |
| School | Crown Street Public School, Sydney New South Wales |
| Religion | Methodist |
| Occupation | Moulder |
| Address | 43 Brown Street, St Peters, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 33 |
| Next of kin | Wife, Mrs Jane Isabel Sommer, 73 Baptist Street, Redfern,Sydney, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A24 Benalla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Given name Sidney William |
| Age at death | 34 |
| Age at death from cemetery records | 34 |
| Place of burial | Trois-Arbres Cemetery (Plot I, Row U, Grave No. 36), Steenwerck, France |
| Panel number, Roll of Honour, Australian War Memorial | 131 |
| Miscellaneous information from cemetery records | Parents: Philip and Elizabeth SOMMER; husband of Jane SOMMER, 73 Baptist Street, Redfern, Sydney, New South Wales. Native of Sydney. Spelt Sydney |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
