Type Word Usage Old Irish Meaning & History Old Irish word meaning "brown" [1] . Related ItemsFamily Tree ·Details Given Name DescendantsDonovan, Duncan (English) Donagh, Donnacha, Donncha, Donnchadh (Irish) Donnchad, Donndubán, Echdonn (Old Irish) Duncan (Scottish) Donnchadh, Eachann (Scottish Gaelic) Surname DescendantsDonaghue, Donne, Donoghue, Donohoe, Donohue, Donovan, Dunn, Ó Donnchadha, Ó Donndubháin (Irish) Donne, Duncan, Duncanson, Dunn (Scottish) Sources & ReferencesShow Inline Numbers Hide Inline Numbers Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 109. Share on Facebook Share on Twitter Entry updated May 26, 2026