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See also: duffy


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Irish surname, from ó Dubhthaigh (descendant of Dubhthach) and mac Dhuibhshíthe (son of Duibhshíth), from dubh (black) + sìth (peace), comparable to the surname Duff.


Proper noun[edit]

Duffy (countable and uncountable, plural Duffys)

  1. A surname from Irish, an anglicization of Ó Dubhthaigh (descendant of Dubhthach). Dubhthach is a byname derived from dubh (black).
  2. A surname from Irish, an anglicization of Ó Doithe.
  3. A Scottish surname from Scottish Gaelic [in turn originating as a patronymic], an alternate anglicization of Mac Dhuibhshíthe (McPhee).
  4. A suburb of Canberra, Australia; named for Charles Gavan Duffy, 8th Premier of Victoria.
  5. An unincorporated community in West Virginia, United States.

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Derived terms[edit]