Ancient Celtic Origin Surnames

This is a list of surnames in which the origin is Ancient Celtic. The Proto-Celtic language was the ancestor of the Celtic languages, as used by the Celtic peoples of Europe and the British Isles.
There are 136 names matching your criteria.

BEIRNE     Irish
Variant of O'BYRNE.
BERNE     Irish
Variant of O'BYRNE
BRADEN     Irish
Anglicized form of Irish Ó Bradáin meaning "descendent of BRADÁN".
BRANNON     Irish
From Irish Mac Branain meaning "son of BRAN (1)".
BRYAN     English
From the given name BRIAN.
BRYANT     English
From the given name BRIAN.
BRYSON     English
Means "son of BRICE".
BURNS (2)     Irish
Variant of O'BYRNE
BYRNE     Irish
Variant of O'BYRNE
BYRNES     Irish
Variant of O'BYRNE
CAOMHÁNACH     Irish
Irish Gaelic form of KAVANAGH
CARLISLE     English
From the name of a city in northern England... [more]
CARLYLE     English
Variant of CARLISLE
CARRAN     Irish
Variant of CURRAN
CASEY     Irish
Anglicized form of Irish Ó Cathasaigh meaning "descendent of CATHASACH".
CASSIDY     Irish
From Irish Ó Caiside meaning "descendent of Caiside"... [more]
CAVAN     Irish
Anglicized form of the Irish Ó Caoimháin meaning "descendent of CAOMHÁN".
CAVANAGH     Irish
Variant of KAVANAGH
CAVANAH     Irish
Variant of KAVANAGH
CAVANAUGH     Irish
Variant of KAVANAGH
CODY     Irish
Anglicized form of Irish Ó Cuidighthigh meaning "descendent of CUIDIGHTHEACH"... [more]
COLLINS (1)     Irish
Anglicized form of Ó COILEÁIN... [more]
CONNELL     Irish
Anglicized form of Irish Ó Conaill meaning "descendent of CONALL".
CONNOR     Irish
Variant of O'CONNOR
CULLEN (2)     Irish
Anglicized form of Ó COILEÁIN or Ó CUILINN
CURRAN     Irish
Anglicized form of Irish Ó Corraidhín meaning "descendent of CORRAIDHÍN".
DELANEY (2)     Irish
Anglicized form of Irish Ó Dubhshláine meaning "descendent of DUBHSHLÁINE".
DELANY     Irish
Variant of DELANEY (2)
DOLAN     Irish
From the Irish Ó Dubhshláin meaning "descendent of DUBHSHLÁINE".
DONOVAN     Irish
Anglicized form of the Irish name Ó Donndubháin meaning "descendent of DONNDUBHÁN".
DUFFY (1)     Irish
Derived from Irish Ó Dubhthaigh meaning "descendent of DUBHTHACH"... [more]
ELLIS     English, Welsh
Derived from the given name ELIJAH, or sometimes ELISEDD.
FANNON     Irish
From the Irish Ó Fionnáin which meant "descendent of FIONN".
FINN     Irish
Derived from the given name FIONN.
FINNEGAN     Irish
Anglicized form of Irish Ó Fionnagáin meaning "descendent of Fionnagán"... [more]
GUINNESS     Irish
Variant of MCGUINNESS... [more]
HARVEY     English
From the Breton given name Haerviu (see HARVEY).
HAYES (2)     Irish
Anglicized form of Irish Ó hAodha meaning "descendent of AODH".
HUGHES (2)     Scottish, Irish
Anglicized form of MAC AODHA
HYLAND (2)     Irish
Variant of WHELAN
JEKYLL     English
Derived from the Breton given name JUDICAËL... [more]
JEWEL     English
Variant of JEWELL
JEWELL     English
Derived from the Breton given name JUDICAËL.
KAVANAGH     Irish
Derived from the Irish Gaelic name Caomhánach, which means "a student of saint CAOMHÁN"... [more]
KAVANAH     Irish
Variant of KAVANAGH
KAVANAUGH     Irish
Variant of KAVANAGH
KEEFE     Irish
Anglicized form of the Irish Ó Caoimh meaning "descendent of CAOMH".
KEEGAN     Irish
From Irish Mac Aodhagáin meaning "descendent of Aodhagán"... [more]
KENDRICK (2)     Welsh
Derived from the given name CYNWRIG.
KERMIT     Manx
Derived from the given name DIARMAID
KERMODE     Manx
Derived from the given name DIARMAID
KIMBALL     English
Derived from the Welsh given name CYNBEL or the Old English given name CYNEBALD.
LEWIS (2)     Welsh
Anglicized form of LLYWELYN
LLEWELLYN     Welsh
Derived from the Welsh given name LLYWELYN.
LLYWELYN     Welsh
Derived from the Welsh given name LLYWELYN.
MACANGUS     Scottish
Means "son of ANGUS" in Gaelic.
MAC AODHA     Scottish, Irish
Means "son of AODH" in Gaelic.
MAC AODHAGÁIN     Irish
Irish Gaelic form of KEEGAN
MAC BRANAIN     Irish
Irish Gaelic form of BRANNON
MACBRIDE     Irish
Anglicized form of MAC GIOLLA BHRIGHDE
MACCAILÍN     Irish, Scottish
Means "son of CAILEAN" in Gaelic.
MACCALLION     Scottish
Anglicized form of MACCAILÍN
MACCANCE     Scottish
Variant form of MACANGUS
MAC GILLE FHAOLAIN     Scottish
Scottish Gaelic form of MCCLELLAND
MACGINNIS     Irish
Variant of MCGUINNESS
MAC GIOLLA BHRIGHDE     Irish
Means "son of the servant of BRIGHID" in Irish.
MAC GIOLLA FHAOLÁIN     Irish
Irish Gaelic form of MCCLELLAND
MACGUINNESS     Irish
Variant of MCGUINNESS
MACKAY     Scottish, Irish
Anglicized form of MAC AODHA
MACMATHAN     Irish
Variant of MCMAHON
MAC MATHGHAMHNA     Irish
Irish Gaelic form of MCMAHON
MAC NEACHTAIN     Irish, Scottish
Means "son of NECHTAN" in Gaelic.
MACQUEEN     Irish, Scottish
Anglicized form of MACSHUIBHNE.
MAC REACHTAIN     Irish, Scottish
Ulster variant of MAC NEACHTAIN
MACSHUIBHNE     Irish, Scottish
Means "son of SUIBHNE" in Gaelic.
MAG AONGHUIS     Irish
Irish Gaelic form of MCGUINNESS
MAGEE     Scottish, Irish
Anglicized form of MAC AODHA
MAHONEY     Irish
Anglicized form of the Irish Ó Mathghamhna meaning "descendent of MATHGHAMHAIN".
MALLOYE     Irish
Variant of MOLLOY
MCARTHUR     Scottish
Means "son of ARTHUR" in Gaelic.
MCBRIDE     Irish
Anglicized form of MAC GIOLLA BHRIGHDE
MCCLELLAND     Irish, Scottish
From Gaelic Mac Giolla Fhaoláin meaning "son of the servant of FAOLÁN".
MCCOY     Scottish
Anglicized form of MAC AODHA
MCCRACKEN     Irish, Scottish
Anglicized form of Gaelic Mac Reachtain, Ulster variant of MAC NEACHTAIN.
MCGEE     Irish, Scottish
Anglicized form of MAC AODHA
MCGINNIS     Irish
Variant of MCGUINNESS
MCGUINNESS     Irish
Anglicized form of Irish Mag Aonghuis meaning "son of AONGHUS".
MCKAY     Scottish, Irish
Anglicized form of MAC AODHA
MCMAHON     Irish
Anglicized form of Mac Mathghamhna meaning "son of MATHGHAMHAIN".
MCNAUGHTON     Irish, Scottish
Anglicized form of MAC NEACHTAIN
MCQUEEN     Irish, Scottish
Anglicized form of MACSHUIBHNE.
MOHAN     Irish
Anglicized form of Irish Ó Mocháin meaning "descendent of MOCHÁN".
MOLLOY     Irish
Anglicized form of Ó MAOLMHUAIDH or Ó MAOL AODHA.
MORGAN     Welsh
Derived from the given name MORGAN (1).
MULLOY     Irish
Variant of MOLLOY
NOLAN     Irish
Anglicized form of Irish Ó Nualláin meaning "descendent of NUALLÁN".
O'BEIRNE     Irish
Variant of O'BYRNE.
O'BERNE     Irish
Variant of O'BYRNE.
Ó BRADÁIN     Irish
Irish Gaelic form of BRADEN
Ó BRIAIN     Irish
Irish Gaelic form of O'BRIEN
O'BRIAN     Irish
Variant of O'BRIEN
O'BRIEN     Irish
From the Irish Ó Briain meaning "descendent of BRIAN".
Ó BROIN     Irish
Irish Gaelic form of O'BYRNE
O'BYRNE     Irish
Anglicized form of Irish Ó Broin meaning "descendent of BRAN (1)".
Ó CAISIDE     Irish
Irish Gaelic form of CASSIDY
Ó CAOIMH     Irish
Irish Gaelic form of KEEFE
Ó CAOIMHÁIN     Irish
Irish Gaelic form of CAVAN
Ó CATHASAIGH     Irish
Irish Gaelic form of CASEY
Ó COILEÁIN     Irish
Means "descendent of COILEAN" in Irish.
Ó CONAILL     Irish
Irish Gaelic form of CONNELL
Ó CONCHOBHAIR     Irish
Irish Gaelic form of O'CONNOR
O'CONNELL     Irish
Variant of CONNELL
O'CONNOR     Irish
From Irish Ó Conchobhair meaning "descendent of CONCHOBHAR".
Ó CORRAIDHÍN     Irish
Irish Gaelic form of CURRAN
Ó CUIDIGHTHIGH     Irish
Irish Gaelic form of CODY
Ó DONNDUBHÁIN     Irish
Irish Gaelic form of DONOVAN
Ó DUBHSHLÁIN     Irish
Irish Gaelic form of DOLAN
Ó DUBHSHLÁINE     Irish
Gaelic form of DELANEY (2)
Ó DUBHTHAIGH     Irish
Irish Gaelic form of DUFFY (1)
Ó FAOLÁIN     Irish
Irish Gaelic form of WHELAN
Ó FIONNAGÁIN     Irish
Irish Gaelic form of FINNEGAN
Ó FIONNÁIN     Irish
Irish Gaelic form of FANNON
Ó HAODHA     Irish
Irish Gaelic form of HAYES (2)
O'KEEFE     Irish
Variant of KEEFE
Ó MAOILSHEACHLAINN     Irish
Means "descendent of MAOLSHEACHLANN" in Irish.
Ó MAOL AODHA     Irish
Means "descendent of a follower of Saint AODH"... [more]
Ó MATHGHAMHNA     Irish
Irish Gaelic form of MAHONEY
Ó MOCHÁIN     Irish
Irish Gaelic form of MOHAN
Ó NUALLÁIN     Irish
Irish Gaelic form of NOLAN
SLOAN     Irish
Patronymic name derived from the early Irish given name SLUAGHADHÁN.
SLOANE     Irish
Variant of SLOAN
WHALEN     Irish
Variant of WHELAN
WHELAN     Irish
Anglicized form of Irish Ó Faoláin meaning "descendent of FAOLÁN".
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