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". The name also has connotations derived from Spain, Latin America and Italy. Variations include: Duffey, Duffee, Duff, Duthie, O'Duffey, O'Duffy, Duffe, O'Duffe, Dufficy, Doey, Dohey, Doohey, Duhig and O'Dowey. The name originates from Connacht. It may refer to: