Surnames of Irish Origin

4,666 surnames found of Irish origin

Deloughery
The surname Deloughery is of Irish origin and is derived from the Gaelic name Ó Lachtnáin, meaning "descendant of Lachtnán." The name Lachtnán is derived from the word "lachtna," which means "gray"......
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Delury
The surname Delury is of Irish origin and is derived from the Gaelic name Ó Dubhlaoich, meaning "descendant of Dubhlaoch." The name Dubhlaoch itself is composed of the elements "dubh," meaning "bla......
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Delvin
The surname Delvin is of Irish origin and is derived from the Gaelic name Ó Dubhláin, meaning "descendant of Dubhlán." The name Dubhlán is composed of the elements "dubh," meaning "black" or "dark,......
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Dempsay
The surname Dempsay is of Irish origin and is derived from the Gaelic name "Ó Díomasaigh," meaning "descendant of Díomasach." The name Díomasach is believed to be derived from the Gaelic word "díom......
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Dempsey
The surname Dempsey is of Irish origin and is derived from the Gaelic name "Ó Díomasaigh," meaning "descendant of Diomasach." The name Diomasach is believed to be derived from the Gaelic word "diom......
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Dempsy
The surname Dempsy is of Irish origin and is derived from the Gaelic name "Ó Díomasaigh," meaning "descendant of Díomasach." The name Díomasach is believed to be derived from the Gaelic word "díoma......
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Demsey
The surname Demsey is of Irish origin and is derived from the Gaelic name "Ó Diomasaigh," meaning "descendant of Diomasach." The name Diomasach is believed to be derived from the word "diomas," whi......
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Deneen
The surname Deneen is of Irish origin and is derived from the Gaelic name Ó Duinnín, meaning "descendant of Duinnín." The name Duinnín is a diminutive form of the Gaelic word "dún," which means "fo......
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Denehy
The surname Denehy is of Irish origin and is derived from the Gaelic name Ó Duineachaidh, meaning "descendant of Duineachaidh." The name Duineachaidh is believed to be derived from the Gaelic word ......
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Denevan
The surname Denevan is of Irish origin and is derived from the Gaelic name "Ó Duinnshléibheáin," meaning "descendant of Duinnshléibheán." The name Duinnshléibheán is composed of the elements "dubh,......
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Denihan
The surname Denihan is of Irish origin and is derived from the Gaelic name Ó Donnchadha, meaning "descendant of Donnchadh." Donnchadh is a personal name derived from the elements "donn," meaning "b......
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Dennany
The surname Dennany is of Irish origin and is derived from the Gaelic name Ó Donnabháin, meaning "descendant of Donnabhán." The name Donnabhán itself is a diminutive form of the personal name Donn,......
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Dennehy
The surname Dennehy is of Irish origin and is derived from the Gaelic name Ó Duinnchinn, meaning "descendant of Donnchadh." Donnchadh is a Gaelic personal name composed of the elements "donn," mean......
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Denneny
The surname Denneny is of Irish origin and is derived from the Gaelic name Ó Duinnshléibhe, meaning "descendant of Duinnshléibhe." The name Duinnshléibhe itself is composed of the elements "dún" me......
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Dennin
The surname Dennin is of Irish origin and is derived from the Gaelic name Ó Duinnín, meaning "descendant of Duinnín." The name Duinnín itself is a diminutive form of the Gaelic word "dún," which me......
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Denvir
The surname Denvir is of Irish origin and is derived from the Gaelic name "Ó Duinnbhior" or "Ó Duinnbhioráin," meaning "descendant of Duinnbheara" or "descendant of Duinnbhearaín." The name Duinnbh......
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Deraney
The surname Deraney is of Irish origin and is derived from the Gaelic name Ó Deoradháin, meaning "descendant of Deoradhán." The name Deoradhán is believed to be a diminutive form of the Gaelic word......
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Derivan
The surname Derivan 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 Gaelic word "díomas," whi......
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Dermody
The surname Dermody is of Irish origin and is derived from the Gaelic name "Ó Diarmada," meaning "descendant of Diarmuid." Diarmuid is an ancient Irish personal name that translates to "without ene......
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Dermon
The surname Dermon is of Irish origin and is derived from the Gaelic name "Ó Diarmada," meaning "descendant of Diarmuid." Diarmuid is an ancient Irish personal name that translates to "without enem......
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Surnames of Irish Origin

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