Surnames of Irish Origin

4,666 surnames found of Irish origin

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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