| Regimental number | 4833 |
| Place of birth | Inverell New South Wales |
| Religion | Church of England |
| Occupation | Painter |
| Address | Heber Street, Moree, New South Wales |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Father, J J Kay, Heber Street, Moree, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/20/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Star Of England on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 55th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 2700 Pte Clarence Leslie KAY, 3rd Bn, effective abroad; 2699 Pte Cyril Charles KAY, 3rd Bn, died of wounds, 13 May 1917; 906 Pte William Henry KAY, 26th Bn, returned to Australia, 9 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |