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Updated May 24, 2023

Girl name origins & meanings

  • Irish : Curly headed; clever
  • Celtic, Gaelic : Clever

How Popular Is The Name Cassidy

Family name origins & meanings

  • Irish (Fermanagh) : reduced Anglicized form of Gaelic Ó Caiside ‘descendant of Caiside’, a byname from cas ‘curly(-headed)’.

Famous people with this last name

Famous people who gave their babies this name

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