O'Halloran

O'Halloran (also O'Halleron, Halloran, Haloran, and in Irish, Ó hAllmhuráin or Ó hAlluráin) is the surname of at least two distinct Gaelic-Irish families, one in County Galway and another in south-east County Clare linked to the Dál gCais . It means overseas stranger.

The motto of the Galway family is Clann Fearghaile Abú, comes from their dynastic name, Clann Fhearghaile, whose territory covered modern-day Galway City and the Oranmore area.

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