O'Dubhagain



Surnames of Meath

[Meath]

O'Maolseachlainn

O hAirt, O'Riagain, O'Ceallaigh, O'Conghalaigh

O'Ruaidhri, O'Fallamhain

O'Coindealbhain, O'Braoin

O'hAneghusa, O'hAedha

O'Dubhain, O'hAinbheith

O'Cathasaigh, O'Leochain

O'Donnchadha, O hIonradhain

O'Maolmhuaidh

O'Dubhlaidhe, O'Fionnallain

O'Maollughdhach, Mag Cochlain

O'Tolairg

Clann-Eochagain, Cinel-Fiachach

Mag Ruairc, O'Cairbre

O'hEochadha, O'Maelcallann

[Teathbha (Teffia)]

O'Catharnaigh, Mag Cuinn, O'Confiacla

O'Lachtnain, O'Muireagain

O'Flannagain, O'Braein

Mac Conmeadha, Mag Aedha

MacTaidhg, Mag Amhalghadha

MagCarrghamhna

O'Dalaigh, O'Muireadhaigh

O'Scolaidhe, O'Comhraidhe

O hAedha, O'Cearbhail

O'Duinn

MacGillaseachlainn, O'Ronain

O'hAenghusa

MacGilla-Mocholmog, O'Dunchadha

O'Muirchertaigh

O'Modhairn

[Ulster]

Kingdom of Aileach - Surnames

Oirghialla - Surnames

The Croabh Ruadh (Red Branch)- Surnames

Cinel Conaill (Tirconnell) - Surnames

[Cenel Eoghainn]

O'Neill, MacLachlain

O'Cathain, O'Conchobair

O'Duibhdhiorma

O hOgain (2)

O’Gairmleadhaigh

O’Ferghail, O’Domhnallain, O’Donnagain, MacMurchada

MacDuinnchuain, MacRuaidhri

O’Ciarain

O’Maoilbreasail, Baoighill, O'Cuinn, O'Cionaith

O'Domhnaill

O'Duibhduannas, O hAghmaills, O hEitigeins

O'Maolfothartaigh, O hEodhusas, O hOgains

O'Bruadair, O'Maoilfabhaill, O'Coinne, O hOgain

O'Murchadha, O'Mellain

O'Fiachra

[Airgialla]

OIRGHIALLA HERE

O'Cearbhaill, O'Duibhdara

MacMathghamnas, Maguidhir

O'Lairgnen, O'Flaithri

O'Flainn, O'Domhnallain, O hEirc

O'Criodain, O hAedha

O'Caomhain, O'Mochoidhein

O hIr, O hAnlauin, O'Cosgraigh

O hInnreachtaigh, MacDomhnaill

Mac Tighernain, O'Flannagain

Mac Giolla Finnen

Mac Gillemichils

Ui hEignigh

Mac Cionaith

O'Corbmaic, O'Gairbhiths

O'Longain, O'Duibheamhna, O'Conchobhair

Ui Lorcain, OhEignigh

O'Domhnaills

O'Lachtnain, O hAinbhith

Mag Uidhir

O'Colgan, O'Conaill

Craebh Ruadh

The Craebh Ruadh

O'Duinnsleibhe, O hEachadha

O hAidith, O hEochagain, O'Labhradha, O'Leathlobhra

O'Loingsigh, O'Morna, O'Mathghamhna

O'Coinne, O'Gairbhith

O hAinbhith

Mag Aenghusa

MacArtain

Mag Dubheamhna ,O'Mornha

Mag Duilechain, O'Coltarain

O'Labhradha

[Cenel Conaill]

Tir Chonaill

O'Maoildoraidh, O'Canannain

O'Baoighill

O'Maoilmaghna, O hAedha

O'Tairchert, Mac Dubhain

Mag Loingseachain, O'Breislen

O'Dochartaigh

MacGillatsamhais, O'Furadhrain

O'Cearnachan

O'Donnagain, MacGaibhidh

O'Maoilgaoithe

MacTighearnain

[Connacht]

Connaught Surnames

Breifne Surnames

Ui-Maine Surnames

Clann-Conchobhair (O'Conor)

Ui-Ruairc

O'Flannagain, O'Maoilmordha, O'Carthaigh, O'Mughroin

O'Maoilbhrennainn

O'Cathalain, O'Maenaigh

Mag Oireachtaigh, O'Finachta

O'Finachta

O'Conceanainn

Mag Murchadha

MacDiarmada

[Breiffne]

O'Ruairc

MacTighearnain

Mac Samhradhain, Mac Consnamha

McCagadhain, Mag Dorchaidh

O'Finn, O'Cearbhaill, Mag Flannchadha

O'Raghallaigh

O'Cuinn, Mac Maoiliosa

Mag-Finnbhairr, Mag-Raghnaill

O'Cuinn

O'Maoilcluiche

O hEaghra, O hUathmharain

O'Gadhra

O'Dobhailen, O'Duinncathaigh

Mag-Eoch, Mag-Maonaigh, Mag Riabhaigh

[Ui-Fiachrach]

O'Dubhda

O'Muireadhaigh, O'Gormog, O'Tighearnaigh

O'Mannachain

O'Maoilmhichil

O hAinlighe

Mac Ceithearnaigh

O'Maoilmuaidh, O'Floinn

O'Rothlain

Mac Sgaithghil, O'Braoin

Ui-Maille

O'Talcharain, O'Cadhla

Mac Conroi, O'hAdhnaidh

Mac Aodha

Mac Gilla Ceallaigh, Ui Eidhin

Ui Cleirigh, Ui Duibhghiolla

O'Maghna, O'Seachnasaigh

[Ui-Maine]

O'Conaill

O'Neachtain, O'Maolalaidh

O'Cathail, O'Mudhroin, O'Maoilruanaidh

Ui Laodhogs

O'h-Uallachain

Mac Eitteagain

Mac Giolla Fionnagain

Ui Domhnallain

O'Donnchadha, Ui Cormaic

O'Duibhginn

O'Docomhlain, O'Gabhrain

O'Maoilbrighde

[Leinster]

Surnames of Leinster

Surnames of Osraighe

Mac Murchadha

O'Fiachrach, O'Cosgraigh

O'Riain, O'Tuathail

Mac Gormain

[Ui Failghe]

O'Brogarbhain, Clann Conchbhair (O'Conor Failghe), O'Duinn, O'Diomasaigh

O'Aenghusa, O'Aimergin, Clann-Murchadhain

O'Ciardha

[Osraighe]

Clann Cearbhaill, Clann Donnchadha

Mac Giollaphatraic

Ui-Bruadair, Mac Braoins

Ui Eirc


O'Huidhrin



[Leinster]

Mac Murchadha

O'Conchobhair

Ui Riagain, O'Duinn

O'hAenghusa

O'Maoilchein

O'hAimirgin

O'Murchain

O'Diomosaigh

O'Ceallaigh

O'Mordha

O'Duibh

O'Ceallaigh

O'Ceallaigh

O'Caollaidhe

O'Gormain

O'Tuathail

Mac Giolla Mocholmog

O'Cosgraigh

O'Gealbrain

O'Taidhg, Ui-Mail, O'Ceallaigh

O'Ciardha

O'Fiachra, O h-Aodha

O'Muirte, O'Finntighearn

O'Murchadha

O'Gairbhidh

O'Duibhginn

O'Lorcain

O'h-Artghoile

O'Riaghain

O'Nuallain, O'Neill

O'Gaoithin, O'Dulaing

[Osraighe]

Mac Giollaphatraic

O'Dubhshlaine

O'Cearbhaill, O'Donnchadha

O'Donnchadha

O'Cearbhaill

O'Braonain

Mac Braoin, O'Broithe

O'Faolain

O'Caibhdeanaigh, O'hCathasaigh

O'Gloiairn

O'Caollaidhe

O'Bruadair

[Munster]

Cashell

Brian (O'Briain)

Mac Carthaigh

O'Donnchadha

O'Deaghaidh, O h-Oilella, O'Brachain

O'Bric, O'Faelain

O'Mearadhaigh, O'Neill

O'Flannagan,

O'Breslin

O'Foghladhas, O'Cein

O'Bric

O'Dubhagain, O'Caoimh

O Anamchadhas

Ui Breaghdha, O'Glaisin

O'Cuirre

O'Ceallachain

O'Mathghamhna

O'h-Eidirsceoil

O'Floinn

O'Cobhthaigh

O'Baire

O'h-Eidirsceoil

O'Domhnaill

O'Donnchadha

O'Ceithearnaigh, Ui-Floinn

O'Bece

O'Mathghamhna

O'Muircheartaigh, O'h-Imhasbhain

O'Seagha, O'Failbhe

O'Conghaile

O'Failbhe, O'Seagha

O'Floinn, O'Maolfabhaill

O hAodha

O'Donnagain

O'h-Ionmhainen

O'Cuirc, O'Maoilbloghain

O'Carthaigh

O'Donghalaigh, O'Fuirg

O'Baiscinn

O'Maolcorcra

O'Ceallaigh

O'Conchobhair

O'Laoghain, O'Caithneannaigh

O'Duibhduin

O'Neidhe

O'Maoileitigh

O'Draighnen

O'Conchobhair

O'Lochlainn

O'Dunadhaigh

O'Donnchadha, O'Cearbhaill

O'Caoimh

O'Ceallachain

Mac Amhlaoibh

O'Tedgamhna

O'Coilen

O'Billraidhe

Mac Innerigh

O'Brearga, O'Maolcallann

O'Cleirchin

O'Donnabhain

O'Ciarmhaic

O'Suilleabhain

O'Cuile, O'Caollaighe

O'Duineachair

O'Merghda

O'Cinnfhaeladh

O'Conaing

O'Luain

O'Deadhaigh

O'Cuinn

O'Cathail

O'Maoilmeadha

Ui Corbmaic, O'h Aichir

Ui-Aichir, Ui Flannchadha

O'Duibhginn

O'Grada

Mac Conmara

O'Dobharchon

O'Neill

O'Echthighern

O'Seanchain

O'Cinneidigh

Muintir-Duibhraic

Ui Toirdhealbhaigh

O'Cadhla, O'Maille

O'Duibhidhirs

O'Cedhadha

O'Conaing

Mag Ceoch, Muintir Loinsigh

O'h-Ifearnain, O'Cathalain

O'Donnagain

Mag-Longachain

Muintir-Duibhidhir

Muintir-Cearbhaill

O'Flannagain

Mag Corcrain

O'h-Aedhagain

O'Dubhlaighe

Mag Gillaphoil

O'Banain

Meachair

O'Ailche

O'Cathail

O'Fogarta

O'Aimrit

Ui Cerc, Ui Maoiluidhir

O'Spealain



Footnotes - O'Dubhagain



Footnotes - O'Huidhrin