Ancient Celtic Origin Surnames

This is a list of names 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 76 names matching your criteria.

BEIRNE     Irish
Variant of O'BYRNE.
BERNE     Irish
Variant of O'BYRNE
BRADEN     Irish
Anglicized form of 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
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 the Irish surname Ó Cathasaigh, which means "descendent of CATHASACH".
CASSIDY     Irish
From the Gaelic Ó Caiside meaning "descendent of Caiside"... [more]
CODY     Irish
Anglicized form of Gaelic Ó Cuidighthigh meaning "descendent of CUIDIGHTHEACH"... [more]
COLLINS (1)     Irish
Anglicized form of Irish Ó Coileáin which means "descendent of COILEAN"... [more]
CONNELL     Irish
Anglicized form of Ó Conaill meaning "descendent of CONALL".
CURRAN     Irish
Anglicized form of Gaelic Ó Corraidhín meaning "descendent of CORRAIDHÍN".
DELANEY (2)     Irish
Anglicized form of Ó Dúbhshláine meaning "descendent of DÚBHSHLÁINE".
DELANY     Irish
Variant of DELANEY (2)
DERMOTT     Irish
Variant of MACDERMOTT
DONOVAN     Irish
Anglicized form of the Gaelic Ó Donndubháin meaning "descendent of DONNDUBHÁN".
ELLIS     English, Welsh
Derived from the given name ELIJAH, or sometimes ELISEDD.
FINN     Irish
Derived from the given name FIONN.
FINNEGAN     Irish
Anglicized form of Ó Fionnagáin meaning "descendent of Fionnagán"... [more]
HARVEY     English
From the Breton given name Haerviu (see HARVEY).
JEKYLL     English
Derived from the Breton given name JUDICAËL... [more]
JEWEL     English
Variant of JEWELL
JEWELL     English
Derived from the Breton given name JUDICAËL.
KEEFE     Irish
Anglicized form of the Irish Gaelic Ó Caoimh meaning "descendent of CAOMH".
KEEGAN     Irish
From Mac Aodhagáin meaning "descendent of Aodhagán"... [more]
KENDRICK (2)     Welsh
Derived from the given name CYNWRIG.
KERMIT     Manx
Manx form of MACDERMOTT
KERMODE     Manx
Manx form of MACDERMOTT
KIMBALL     English
Derived from the Welsh given name CYNBEL or the Old English given name CYNEBALD.
MAC BRANAIN     Irish
Gaelic form of BRANNON
MACDERMOTT     Irish
From Irish, meaning "son of DIARMAID"... [more]
MACMATHAN     Irish
Variant of MCMAHON
MAC MATHGHAMHNA     Irish
Gaelic form of MCMAHON.
MAHONEY     Irish
Anglicized form of the Irish Ó Mathghamhna meaning "descendent of MATHGHAMHAIN".
MALLOYE     Irish
Variant of MOLLOY
MCCOY     Scottish
Variant of MCKAY
MCDERMOTT     Irish
Variant of MACDERMOTT
MCKAY     Scottish
Anglicized form of Gaelic Mac Aodha meaning "son of AODH".
MCMAHON     Irish
Anglicized form of Mac Mathghamhna meaning "son of MATHGHAMHAIN".
MOHAN     Irish
Anglicized form of Irish Gaelic 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
Gaelic form of BRADEN
Ó BRIAIN     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
Gaelic form of O'BYRNE
O'BYRNE     Irish
Anglicized form of the Irish Gaelic Ó Broin meaning "descendent of BRAN (1)".
Ó CAISIDE     Irish
Gaelic form of CASSIDY
Ó CAOIMH     Irish
Gaelic form of O'KEEFE
Ó CATHASAIGH     Irish
Gaelic form of CASEY
Ó COILEÁIN     Irish
Gaelic form of COLLINS (1)
Ó CONAILL     Irish
Gaelic form of CONNELL
O'CONNELL     Irish
Variant of CONNELL
Ó CORRAIDHÍN     Irish
Gaelic form of CURRAN
Ó DONNDUBHÁIN     Irish
Gaelic form of DONOVAN
Ó DÚBHSHLÁINE     Irish
Gaelic form of DELANEY (2)
Ó FIONNAGÁIN     Irish
Gaelic form of FINNEGAN
O'KEEFE     Irish
Variant of KEEFE
Ó MAOL AODHA     Irish
Means "descendent of a devotee of Saint AODH"... [more]
Ó MATHGHAMHNA     Irish
Gaelic form of MAHONEY
Ó MOCHÁIN     Irish
Gaelic form of MOHAN
Ó NUALLÁIN     Irish
Gaelic form of NOLAN
SLOAN     Irish
Patronymic name derived from the early Irish given name SLUAGHADHÁN.
SLOANE     Irish
Variant of SLOAN
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