Surnames of Irish Origin

4,666 surnames found of Irish origin

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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