| Regimental number | 339 |
| Place of birth | London England |
| Religion | Church of England |
| Occupation | Farmer |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs E J Conway, Belleville Edmond Street, Beaconsfield, Western Australia |
| Enlistment date | 22 September 1914 |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, D Company |
| AWM Embarkation Roll number | 23/33/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on 22 December 1914 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 16th Battalion |
| Fate | Returned to Australia 15 February 1918 |
| Family/military connections | Brother: 340 Pte Reginald SYKES, 16th Bn, returned to Australia, 15 August 1915. |