64%RatingSave Gender Masculine Usage Irish Meaning & HistoryExpand Links Irish variant of Donnchadh (see Duncan). Related NamesFamily Tree·Details VariantsDonagh, Donncha, DonnchadhOther Languages & CulturesDuncan(English) Donnchad(Old Irish) Duncan(Scottish) Donnchadh(Scottish Gaelic) PopularityDetails Last ranked #61 in 2023 Ireland Last ranked #89 in 2021 Northern Ireland