Duncan.
A male given name from Scottish Gaelic anglicized from Scottish Gaelic Donnchadh; the name of two early saints and of two kings of Scotland.
Meaning & usage
A male given name from Scottish Gaelic anglicized from Scottish Gaelic Donnchadh; the name of two early saints and of two kings of Scotland.
A Scottish surname originating as a patronymic.
A surname from Irish, a variant of Dinkin.
An Irish surname, a variant of Donegan.
An Irish surname, a variant of Dunican.
An Irish surname, adopted as an anglicization of Ó Donnchadha (whence Donoghue).
A locality in Kangaroo Island council area, South Australia; named for politician John Duncan.
A city in the Regional District of Cowichan Valley, British Columbia, Canada; named for early settler William Chalmers Duncan.
A locale in the United States: A town in Greenlee County, Arizona; named for copper businessman Duncan Smith.
A locale in the United States: A township in Mercer County, Illinois.
A locale in the United States: A census-designated place in Hancock County, Iowa.
A locale in the United States: An unincorporated community in Casey County, Kentucky.
A locale in the United States: An unincorporated community in Mercer County, Kentucky.
A locale in the United States: A township in Houghton County, Michigan.
A locale in the United States: A town in Bolivar County, Mississippi.
A locale in the United States: A township in Sullivan County, Missouri.
A locale in the United States: An unincorporated community in Webster County and Wright County, Missouri.
A locale in the United States: A village in Platte County, Nebraska; named for early resident Wood B. Duncan.
A locale in the United States: An unincorporated community in Buckhorn Township, Harnett County, North Carolina.
A locale in the United States: A city, the county seat of Stephens County, Oklahoma; named for early settler William Duncan.
A locale in the United States: A township in Tioga County, Pennsylvania.
A locale in the United States: A town in Spartanburg County, South Carolina; named for landowner Leroy Duncan.
A river in British Columbia, Canada; running 206 km near Mount Dawson into the Kootenay Lake; named for prospector John Duncan.
A short river in the Southern Alps, West Coast Region, New Zealand.
Where this word comes from
* As a Scottish Gaelic and Irish surname, from Donnchadh, a name composed of donn (“brown”) + cath (“battle”). Also spelled as Donagh and Donaghue, Donahue. * Also as an Irish surname, Anglicized from Ó Duinnchinn, from donn (“brown”) + ceann (“head”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.