Watchful or alert; also a variation of Casey.
Cayse is a modern spelling variant of the Irish surname Casey, derived from the Gaelic 'O Cathasaigh'. It historically signifies someone who is vigilant or watchful. While the 'Cayse' spelling is rare, it follows the contemporary trend of using 'y' and 'e' to create unique visual identities for traditional names.
Fewer than 5 boys were named Cayse in 2025.
The protagonist and marketing consultant with a sensitivity to logos · Pattern Recognition by William Gibson
US births per 5-year period, 1990–present (SSA data).
