Surnames of Irish Origin

4,666 surnames found of Irish origin

Oconer
The surname Oconer is of Irish origin and is derived from the Gaelic name "Ó Conchobhair," meaning "descendant of Conchobhar." Conchobhar is an ancient Irish personal name that translates to "lover......
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Oconnel
The surname O'Connell is of Irish origin and is derived from the Gaelic name Ó Conaill, meaning "descendant of Conall." Conall is an ancient Irish personal name that is believed to have originated ......
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Oconnell
The surname O'Connell is of Irish origin and is derived from the Gaelic name Ó Conaill, meaning "descendant of Conall." Conall is an ancient Irish personal name that is believed to have originated ......
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Oconner
The surname O'Connor is of Irish origin and is derived from the Gaelic name Ó Conchobhair, meaning "descendant of Conchobhar." Conchobhar is an ancient Irish personal name composed of the elements ......
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Oconnor
The surname O'Connor is of Irish origin and is derived from the Gaelic name Ó Conchobhair, meaning "descendant of Conchobhar." Conchobhar is an ancient Irish personal name composed of the elements ......
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Oconnors
The surname O'Connor is of Irish origin and is derived from the Gaelic name Ó Conchobhair, meaning "descendant of Conchobhar." Conchobhar is an ancient Irish personal name composed of the elements ......
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Oconor
The surname Oconor is of Irish origin and is derived from the Gaelic name "Ó Conchobhair," meaning "descendant of Conchobhar." Conchobhar is an ancient Irish personal name that translates to "lover......
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Odaly
The surname Odaly 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 refer......
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Odaniel
The surname Odaniel is of Irish origin and is derived from the Gaelic name "Ó Domhnaill," meaning "descendant of Domhnall." Domhnall is a Gaelic personal name composed of the elements "domhan," mea......
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Odaniell
The surname Odaniell is of Irish origin and is derived from the Gaelic name "Ó Dónaill," meaning "descendant of Domhnall." Domhnall is a Gaelic personal name derived from the elements "dubh," meani......
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Surnames of Irish Origin

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