Kaysie

Kaysie is a modern feminine name that serves as a creative spelling variant of Casey or Kacie. Originally an Irish surname derived from 'Cathasaigh' meaning 'vigilant' or 'watchful,' it evolved into a given name for both genders. This particular spelling with 'K' and 'sie' ending emerged during the late 20th century trend of creating distinctive spelling variations of familiar names. The 'K' beginning gives it a contemporary feel, while the 'sie' ending emphasizes its feminine usage. Though less common than Casey or Kacie, Kaysie maintains the friendly, approachable quality of these names while offering a more unique spelling option.

Pronounced KAY-see.

As of October 2026, Kaysie ranked #9158 in US births in 2025 SSA, peaked at #2273 in 1990.