Surnames of Irish Origin

4,666 surnames found of Irish origin

Devoy
The surname Devoy is of Irish origin and is derived from the Gaelic name Ó Dubhthaigh, meaning "descendant of Dubhthach." The name Dubhthach itself is composed of the elements "dubh," meaning "blac......
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Dewane
The surname Dewane is of Irish origin and is derived from the Gaelic name Ó Dubháin, meaning "descendant of Dubhán." The name Dubhán is derived from the Gaelic word "dubh," meaning "black" or "dark......
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Dial
The surname Dial is of English origin and has multiple possible meanings. It could be derived from the Old English word "dæl," meaning "dale" or "valley," indicating that the original bearer of the......
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Diffin
The surname Diffin is of Irish origin and is derived from the Gaelic name Ó Díomasaigh, meaning "descendant of Díomasach." The name Díomasach is believed to come from the word "díomas," which trans......
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Diffley
The surname Diffley is of Irish origin and is derived from the Gaelic name Ó Duibhshláine, meaning "descendant of Dubhshláine." The name Dubhshláine is composed of the elements "dubh," meaning "bla......
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Digan
The surname Digan is of Irish origin and is derived from the Gaelic name Ó Díogáin, meaning "descendant of Díogán." The name Díogán itself is believed to be a diminutive form of the personal name D......
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Dignam
The surname Dignam is of Irish origin and is derived from the Gaelic name Ó Duibhneáin, meaning "descendant of Duibhneán." The name Duibhneán is derived from the word "dubh," meaning "black" or "da......
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Dignan
The surname Dignan 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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Digney
The surname Digney is of Irish origin and is derived from the Gaelic name Ó Duibhne, meaning "descendant of Duibhne." Duibhne is a personal name derived from the word "dubh," meaning "black" or "da......
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Dilan
The surname Dilan is of Irish origin and is derived from the Gaelic name Ó Dubhshláine, meaning "descendant of Dubhshláine." The name Dubhshláine is composed of the elements "dubh," meaning "black"......
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Dillahunty
The surname Dillahunty is of Irish origin and is derived from the Gaelic name Ó Duilleacháin, meaning "descendant of Duilleachán." The name Duilleachán is derived from the word "duilleach," which m......
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Dillan
The surname Dillan is of Irish origin and is derived from the Gaelic name Ó Dubhshláine, meaning "descendant of Dubhshláine." The name Dubhshláine is composed of the elements "dubh," meaning "black......
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Dillane
The surname Dillane is of Irish origin and is derived from the Gaelic name Ó Duilleáin, meaning "descendant of Duilleán." The name Duilleán is derived from the word "duille," which means "leaf" in ......
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Dillion
The surname Dillion is of Irish origin and is derived from the Gaelic name Ó Duilleáin, meaning "descendant of Duilleán." The name Duilleán is derived from the word "duille," which means "leaf" in ......
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Dillon
The surname Dillon is of Irish origin and has multiple possible meanings. It is derived from the Gaelic name Ó Duilleáin, which means "descendant of Duilleán." Duilleán is a personal name derived f......
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Dillree
The surname Dillree is of Irish origin and is derived from the Gaelic name Ó Duilleáin, meaning "descendant of Duilleán." The name Duilleán is derived from the word "duille," which means "leaf" in ......
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Dimick
The surname Dimick is of English origin and is derived from the medieval personal name "Dymock," which itself is a variant of the name "Dermot." The name "Dermot" is of Irish Gaelic origin and mean......
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Dimitt
The surname Dimitt is of English origin and is derived from the medieval given name "Dymock," which itself is a variant of the name "Dermot." The name "Dermot" is of Irish Gaelic origin and means "......
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Dimson
The surname Dimson is of English origin and is derived from the medieval personal name "Dymock," which itself is a variant of the name "Dermot." The name "Dermot" is of Irish Gaelic origin and mean......
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Din
The surname Din is of Scottish and Irish origin. It is derived from the Gaelic word "dion" which means "brown" or "dark." The name likely originated as a nickname for someone with dark or brown hai......
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Surnames of Irish Origin

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