Caithlyn

English, Irish

"pure"

Caithlyn Origin and Meaning

The name Caithlyn is a girl's name.

Caithlyn is a feminine name that represents a modern spelling variation of Caitlin, which itself derives from the Irish name Caitlín, a form of Katherine. The name ultimately traces back to the Greek name Aikaterine, possibly meaning 'pure.' This particular spelling with the 'th' and 'y' gives the classic name a distinctive touch while maintaining its melodic sound. Caithlyn gained some popularity during the 1990s and 2000s when parents were exploring creative spellings of traditional names. The name carries the warm, friendly impression of its more common variants while offering uniqueness through its spelling. It shares the approachable, gentle nature of other Caitlin variations while standing slightly apart.