Duffy

See also: duffy

English

Etymology

From the Irish surname, from Ó Dubhthaigh (literally “descendant of Dubhthach”) and Mac Duibhshíthe (literally “son of Duibhshíth”), from dubh (“black”) + sìth (“peace”), comparable to the surname Duff.

Pronunciation

  • enPR: dŭʹfē, IPA(key): /ˈdʌfi/
  • Rhymes: -ʌfi

Proper noun

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”).
    • 2025 October 30, Noi Mahoney, “More than 7,000 truckers reportedly sidelined for English proficiency violations”, in Freight Waves‎[1]:
      More than 7,000 commercial truck drivers have been placed out of service this year for failing to meet federal English Language Proficiency (ELP) standards, U.S. Transportation Secretary Sean Duffy announced Thursday on X (formerly Twitter).
  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 Ohio Township, Monroe County, Ohio, United States.
  6. An unincorporated community in Lewis County, West Virginia, United States.

Alternative forms

  • (Irish surname from Ó Dubhthaigh): O'Duffy, Duffey, Duhy, Duhig, Dowey, Douey, Dooey, Doey

Derived terms

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