Save Type Surname (from given name) Usage Scottish, Irish Pronounced Pron. /ˈdʌf/(English) [key·simplify] Meaning & HistoryExpand Links Anglicized form of Mac Dhuibh or Ó Duibh. Related NamesDetails RootdubVariantsMacDuff(Scottish) Mac Dhuibh(Scottish Gaelic) Ó Duibh(Irish) User SubmissionDuff Categories authors, body parts, child actors, colors, dark, nicknames, politics, quizzers, teen idols