What does the name Duffy mean? The meaning of the name Duffy is Descendant Or Dubhthach. The origin of the name Duffy is Irish. This is the culture in which the name originated, or in the case of a word, the language.
Name Notes: Irish surname contracted from Ó Dubhthaigh, meaning descendant or grandson of Dubhthach.
Andrew Duffy's Jig - Jonatha Brooke