Casey
From the Irish surname Casey, derived from Ó Cathasaigh, a patronymic from the given name Cathassach of uncertain meaning.
Meaning and origin
This name traces to the Irish surname tradition rooted in Ó Cathasaigh.
How to pronounce Casey
| English (US) | KAY-see /ˈkeɪsi/ |
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About this entry
Drafted with the help of an AI model, then checked by a person. Last checked on 16 September 2026.
The sources behind this entry are listed in the app.