Kaysi

Kaysi is a feminine name representing a creative, phonetic spelling variation of Casey or Kasey. The original name Casey has Irish origins meaning 'vigilant' or 'watchful' and was traditionally a surname before becoming popular as a given name. This distinctive spelling emerged during the late 20th century trend toward unique name variations and alternative spellings. Kaysi maintains the friendly, approachable quality of Casey while offering a more visually distinctive presentation. The name has a contemporary, youthful feel that appeals to parents seeking something familiar in sound but unique in appearance. While never reaching high popularity rankings, Kaysi represents the modern tendency toward personalized spelling variations.

Pronounced KAY-see.

As of October 2026, Kaysi ranked #8103 in US births in 2025 SSA, peaked at #3344 in 1988.