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Meaning and Origin of: Sweeney

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First name origins & meanings:

  • Gaelic : Little hero

First name variations

Last name origin & meaning:

  • Irish : reduced form of McSweeney, an Anglicized form of Gaelic Mac Suibhne ‘son of Suibhne’, a byname meaning ‘pleasant’.
  • Americanized form of French Choinière (see Choiniere).