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UnisexEnglish

Cassidy

Descendant of Caiside.

Meaning and origin

Cassidy comes from the Irish surname Ó Caiside, anglicized from Irish Gaelic.

How to pronounce Cassidy

English (US)KAS-ih-dee

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.