Duffy is a surname of Irish origin that comes from the original Irish name Ó Dubhthaigh, meaning descendant of Dubthach. Dubthach was an Old Irish first name meaning "black".

Variations include: Duffey, Duffee, Duff, Duthie, O'Duffey, O'Duffy, Duffe, O'Duffe, Dufficy, Doey, Dohey, Doohey, Duhig, Duhigg, Dowey and O'Dowey. The name originates from Connacht.

It may refer to:

Irish

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Australian

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New Zealand

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  • Ron Duffy, New Zealand rugby league footballer

Scottish

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Welsh

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English

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North American

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Multiple entries

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Duffey

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Fictional character

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See also

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