Casie

Casie is a feminine name typically considered a variant spelling of Casey or Kasey. With Irish and Gaelic origins, the underlying name derives from "cathásach," meaning "vigilant" or "watchful." This spelling variation has a soft, contemporary feel while maintaining the name's traditional roots. The name became particularly popular in the United States during the 1980s and 1990s, appreciated for its friendly, approachable quality. Casie strikes a balance between familiarity and uniqueness—recognizable enough to be easily pronounced yet distinctive in its spelling. The name carries connotations of alertness and attentiveness from its etymological roots, while its modern usage often evokes a sense of friendliness and warmth.

Casie is also given to boys.

Pronounced KAY-see.

As of October 2026, Casie ranked #13533 in US births in 2025 SSA, peaked at #720 in 1983.