Cassidy (girl)


Cassidy is an anglicization of the Irish surname Ó Caiside, whose origin is unknown. It may stem from the Irish word cas meaning "curly-haired." While Cassidy was used occasionally for boys in the 1980s, Cassidy is almost exclusively a girls' name as of 2010.
See Also: Cassidy (boy), Cassadie, Kassidy

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