Casie is a girl name with roots in Irish culture. A variant of Casey, from the Irish surname Ó Cathasaigh, from 'cathasach', 'vigilant, watchful'.
The numerology number for Casie is 4, reflecting the personality traits and characteristics associated with this name.
Origin : irish
Gender : girl
Numerology : 4
Syllables : 2
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Casie reduces to the number 4, which is most often linked to stability, discipline, reliability. A person carrying this vibration is generally grounded and methodical - the kind of person friends and family lean on because they show up, plan ahead, and finish what they start.
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Names starting with C
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