Casie
Meaning
a modern American respelling of Casey, from the Irish surname O Cathasaigh, descendant of Cathasach, vigilant
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Casie peaked in the 1980s and the 1990s in nearly equal measure.
When you meet Casie
Most people given the name Casie in the United States were born between 1980 and 1999. The Casie you meet today is most often in her 30s or 40s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Casie deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Casie truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Casie fits with your family’s names and surname.
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