Casie

What does Casie mean?

Casie is a variant spelling of Casey, which has Irish origins from the Gaelic surname Ó Cathasaigh, meaning “vigilant” or “watchful.” It became a popular unisex given name in English-speaking countries, especially in the 20th century. The spelling Casie feminises the name further and follows the trend of replacing -ey with -ie to soften its appearance. Despite its casual feel, the name carries a long heritage of strength and attentiveness.

Popularity of Casie over time

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