Surnames of Irish Origin

4,666 surnames found of Irish origin

Dwier
The surname Dwier is of Irish origin and is derived from the Gaelic word "dubh" meaning "black" or "dark." It is believed to have originated as a descriptive nickname for someone with dark hair or ......
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Dwigans
The surname Dwigans is of Irish origin and is derived from the Gaelic name Ó Duibhgeannáin, meaning "descendant of Duibhgeannáin." The name Duibhgeannáin is composed of the elements "dubh," meaning......
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Dwy
The surname Dwy is of Irish origin and is derived from the Gaelic name Ó Dubhthaigh, meaning "descendant of Dubhthach." The name Dubhthach is composed of the elements "dubh," meaning "black" or "da......
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Dwyer
The surname Dwyer is of Irish origin and is derived from the Gaelic name Ó Duibhir, meaning "descendant of Duibhir." The name Duibhir itself is derived from the word "dubh," meaning "black" or "dar......
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Dwyre
The surname Dwyre is of Irish origin and is derived from the Gaelic name "Ó Dubhuir" or "Ó Dubhuidhir," meaning "descendant of Dubhuir" or "descendant of Dubhuidhir." The name Dubhuir or Dubhuidhir......
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Dynan
The surname Dynan is of Irish origin and is derived from the Gaelic name Ó Duinnín, meaning "descendant of Duinnín." Duinnín is a personal name derived from the word "dún," which means "fortress" o......
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Eagan
The surname Eagan is of Irish origin and is derived from the Gaelic name "Mac Aodhagáin," meaning "son of Aodhagán." Aodhagán is a diminutive form of the Irish name Aodh, which means "fire" or "fie......
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Eagans
The surname Eagans is of Irish origin and is derived from the Gaelic name "Mac Aodhagáin," meaning "son of Aodhagán." Aodhagán is a diminutive form of the Irish name Aodh, which means "fire" or "fi......
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Eagar
The surname Eagar is of Irish origin and is derived from the Gaelic name "Mac Thaidhg," meaning "son of Tadhg." Tadhg is an ancient Irish personal name that translates to "poet" or "philosopher." T......
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Eagen
The surname Eagen is of Irish origin and is derived from the Gaelic name "Mac Aodhagáin," meaning "son of Aodhagán." Aodhagán is a diminutive form of the personal name Aodh, which means "fire" or "......
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Surnames of Irish Origin

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