Surnames of Irish Origin

4,666 surnames found of Irish origin

Cusick
The surname Cusick is of Irish origin and is derived from the Gaelic name Mac Uisdein, meaning "son of Uisdean." Uisdean is a Gaelic personal name derived from the Old Norse name Eysteinn, which me......
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Cussen
The surname Cussen is of Irish origin and is derived from the Gaelic name Mac Coisín, meaning "son of Coisín." Coisín is a diminutive form of the Gaelic word "cos," which translates to "foot." Ther......
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Custy
The surname Custy is of Irish origin and is derived from the Gaelic name Mac Oistig, meaning "son of Oistig." Oistig is a personal name derived from the Old Norse name Ástígr, which means "god's sp......
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Dacey
The surname Dacey is of Irish origin and is derived from the Gaelic name "Ó Déasaigh," meaning "descendant of Déasach." Déasach is a personal name derived from the word "déas," which means "south" ......
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Dacy
The surname Dacy is of Irish origin and is derived from the Gaelic name "Ó Déaghaigh," meaning "descendant of Déaghaigh." The name Déaghaigh is believed to be a personal name derived from the word ......
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Dahill
The surname Dahill is of Irish origin and is derived from the Gaelic name Ó Dálaigh, meaning "descendant of Dálach." The personal name Dálach is believed to have originated from the word "dál," whi......
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Daigh
The surname Daigh is of Irish origin and is derived from the Gaelic name Ó Daigh, meaning "descendant of Daigh." The name Daigh itself is believed to have originated from the word "dáigh," which me......
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Dail
The surname Dail is of Irish origin and is derived from the Gaelic name "Ó Dálaigh," meaning "descendant of Dálach." The personal name Dálach is believed to have originated from the word "dál," whi......
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Dailey
The surname Dailey is of Irish origin and is derived from the Gaelic name Ó Dálaigh, meaning "descendant of Dálaigh." The name Dálaigh is believed to be derived from the word "dálach," which means ......
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Daily
The surname Daily is of Irish origin and is derived from the Gaelic name "Ó Dálaigh," meaning "descendant of Dálach." The personal name Dálach is believed to have originated from the word "dál," wh......
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Daire
The surname Daire is of Irish origin and is derived from the Gaelic name "Ó Dáire," meaning "descendant of Dáire." The personal name Dáire is believed to have originated from the word "dáire," whic......
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Daley
The surname Daley is of Irish origin and is derived from the Gaelic name Ó Dálaigh, meaning "descendant of Dálach." The name Dálach is believed to have originated from the word "dál," which referre......
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Daly
The surname Daly is of Irish origin and is derived from the Gaelic Ó Dálaigh, meaning "descendant of Dálach." Dálach is a personal name derived from the word "dál," which means "assembly" or "gathe......
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Dana
The surname Dana has multiple origins and meanings. In some cases, it is derived from the Hebrew name "Dan," meaning "judge" or "God is my judge." In other instances, it is of Persian origin, deriv......
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Danaher
The surname Danaher 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 ......
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Danahey
The surname Danahey is of Irish origin and is derived from the Gaelic name "Ó Donnachadha," meaning "descendant of Donnachadh." Donnachadh is a personal name derived from the elements "donn," meani......
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Danahy
The surname Danahy 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 "......
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Danals
The surname Danals is of Irish origin and is derived from the Gaelic name "Ó Dónall," meaning "descendant of Dónall." The name Dónall itself is a variant of the name Domhnall, which translates to "......
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Danehy
The surname Danehy 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 "bro......
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Danly
The surname Danly is of Irish origin and is derived from the Gaelic name "Ó Donnghaile," meaning "descendant of Donnghal." Donnghal is a personal name derived from the elements "donn," meaning "bro......
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Surnames of Irish Origin

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