A surname from Irish, an anglicization of Ó Dubhthaigh (“descendant of Dubhthach”). Dubhthach is a byname derived from dubh (“black”). / A surname from Irish, an anglicization of Ó Doithe.

plural of Duffy

Archaic form of duppy (“Caribbean ghost or spirit”).

A surname.

plural of Duffie

plural of duffy

An antigen located on the surface of red blood cells, encoding a glycosylated membrane protein that is a non-specific receptor for several chemokines.

plural of Duffy antigen