Dwyer

The surname Dwyer has Irish origins and is derived from the Gaelic word “Ó Duibhir,” meaning “descendant of Duibhir.” Duibhir was a personal name that meant “black” or “dark,” which may have referred to someone’s hair color or complexion. The Dwyer name is most commonly found in the Munster region of Ireland, particularly in counties Tipperary and Cork. Famous bearers of the Dwyer name include Irish-American boxer John L. Sullivan and Australian musician Michael Dwyer.