Surname · Irish origin
Duffy
Meaning
The surname Duffy means Descendant of the dark one.
Origin
Irish
Type
patronymic
The origin of the surname Duffy
Duffy comes from Ó Dubhthaigh, from dubh, “black, dark.”
Frequently asked questions
What does the surname Duffy mean?
The surname Duffy means Descendant of the dark one. Duffy comes from Ó Dubhthaigh, from dubh, “black, dark.”
Where does the surname Duffy come from?
Duffy is a surname of Irish origin.
What kind of surname is Duffy?
Duffy is a patronymic surname, derived from a father's or ancestor's given name.