Duffy (surname)

Duffy is a surname of Irish origin that comes from the original Irish name Ó Dubhthaigh, meaning descendant or grandson of Dubhthach. Dubhthach was an Old Irish first name meaning "Black". Variations include: Duffey, Duffee, Duff, O'Duffey, O'Duffy, Duffe, O'Duffe, Dufficy, Doey, Dohey, Doohey, Duhig and O'Dowey. The name originates from Connacht. It may refer to:

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