Cassidy

Meaning

1. A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.
2. A male given name transferred from the surname.
3. A surname from Irish, a rare anglicization of Mac Casarlaigh (“son of Casarlach”) (Casserly).
4. A female given name transferred from the surname, of modern American usage.
5. A community in southern Vancouver Island, British Columbia, Canada.

Etymology / origin

From the Irish surname, Anglicized from Ó Caiside (“descendant of Caiside”), from cas (“curly-haired”).

Sources

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