| Regimental number | 1072 |
| Place of birth | Grafton New South Wales |
| Religion | Church of England |
| Occupation | Dental assistant |
| Address | 'Re Nido', Atheson Street, St Leonards, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, William James Dykes, 'Re Nido', Atheson Street, St Leonards, New South Wales |
| Enlistment date | 23 May 1915 |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, C Company |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Ceramic on 25 June 1915 |
| Rank from Nominal Roll | Staff Sergeant |
| Unit from Nominal Roll | army Dental Corps |
| Fate | Returned to Australia 2 January 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Jack Floyd Dykes on Nominal Roll |
