| Regimental number | 798 |
| Place of birth | Demondrille, New South Wales |
| School | North Goulburn, New South Wales |
| Religion | Church of England |
| Occupation | Plumber |
| Address | Stockinbingal, New South Wales |
| Marital status | Single |
| Age at embarkation | 23.8 |
| Next of kin | Mrs E Sykes, Kenmore, New South Wales |
| Previous military service | Served for 4 years in the Senior Cadets; 2 years in the Militia. |
| Enlistment date | |
| Place of enlistment | Kensington, New South Wales |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, G Company |
| AWM Embarkation Roll number | 23/19/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A23 Suffolk on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Gallipoli, Turkey |
| Date of death | |
| Age at death | 24 |
| Age at death from cemetery records | 24 |
| Place of burial | Chatby War Memorial Cemetery (Row L, Grave No. 112), Egypt |
| Panel number, Roll of Honour, Australian War Memorial | 34 |
| Miscellaneous information from cemetery records | Parents: George Harry and Eliza SYKES |
| Family/military connections | Brother: 3480 Pte Albert Edwin SYKES, 13th Bn, died of wounds, 5 February 1917. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, SYKES James Arthur |