Caisi

Caisi is an uncommon feminine name that likely developed as a modern variant spelling of Casey or Kasey. While traditionally Casey originated as an Irish surname derived from 'Cathasaigh' meaning 'vigilant' or 'watchful,' Caisi represents a feminized spelling variation that gives the name a softer appearance. The distinctive spelling with 'ai' instead of the more common 'a' or 'ey' provides a unique quality while maintaining the familiar pronunciation. Caisi remains rare in usage statistics, appealing to parents seeking a name with recognizable sounds but an individualized spelling. The name carries a contemporary, slightly informal feel while still being versatile enough to suit various personalities as the bearer grows from childhood to adulthood.

Pronounced KAY-see.