Caysi

Caysi is a feminine name that offers a modern, stylized spelling variation of 'Casey.' While Casey originated as an Irish surname derived from 'Cathasaigh' meaning 'vigilant' or 'watchful,' Caysi represents a contemporary adaptation with a distinctly feminine flair. This spelling variant gained some popularity in the 1990s and early 2000s, reflecting the trend toward unique spellings of traditional names. The 'y' and 'i' combination gives Caysi a youthful, playful quality that distinguishes it from other forms. Despite its modified spelling, it maintains the friendly, approachable quality of Casey while adding a touch of individuality. The name has a casual, cheerful sound that's neither too formal nor too diminutive, striking a pleasant balance for a lifetime name.

Pronounced KAY-see.

As of October 2026, Caysi ranked #13812 in US births in 1993 SSA, peaked at #12101 in 1988.