Old Celtic Origin Surnames

This is a list of surnames in which the origin is Old Celtic. The Celtic languages are a group of related languages now spoken primarily on the British Islands and Brittany.
usage
origin
Angus Irish, Scottish
From the given name Aonghus.
Arthur English, French
From the given name Arthur.
Arthurson English
Means "son of Arthur".
Arthursson Swedish
Means "son of Arthur".
Beirne Irish
Variant of O'Byrne.
Berne Irish
Variant of O'Byrne.
Blevins Welsh
Derived from the Welsh given name Bleddyn.
Braden Irish
Anglicized form of Irish Ó Bradáin meaning "descendant of Bradán".
Brannon Irish
From Irish Mac Branain meaning "son of Bran 1".
Breen Irish
Anglicized form of Irish Ó Braoin meaning "descendant of Braon", a byname meaning "rain, moisture, drop".
Brennan Irish
From Irish Ó Braonáin meaning "descendant of Braonán", a byname meaning "rain, moisture, drop" (with a diminutive suffix).
Bret French
French form of Brett.
Brett English
Originally a name given to someone who was a Breton or a person from Brittany.
Brice English
From the given name Brice.
Britton English
Originally given to a person who was a Briton (a Celt of England) or a Breton (an inhabitant of Brittany).
Bryan English
From the given name Brian.
Bryant English
From the given name Brian.
Bryce English
From the given name Brice.
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.
Cadwallader Welsh
From the given name Cadwalader.
Callan Irish
Anglicized form of Irish Ó Cathaláin meaning "descendant of Cathalán".
Caomhánach Irish
Irish Gaelic form of Kavanagh.
Carlisle English
From the name of a city in northern England. The city was originally called by the Romans Luguvalium meaning "stronghold of Lugus". Later the Brythonic element ker "fort" was appended to the name of the city.
Carran Irish
Variant of Curran.
Casey Irish
Anglicized form of Irish Ó Cathasaigh meaning "descendant of Cathasach".
Cassidy Irish
From Irish Ó Caiside meaning "descendant of Caiside". Caiside is a given name meaning "curly haired".
Cavan Irish
Anglicized form of the Irish Ó Caoimháin meaning "descendant of Caomhán".
Cody Irish
Anglicized form of Irish Ó Cuidighthigh meaning "descendant of Cuidightheach". A famous bearer was the American frontiersman and showman Buffalo Bill Cody (1846-1917).
Collins 1 Irish
Anglicized form of Ó Coileáin. A famous bearer was Michael Collins, an Irish nationalist leader who was assassinated in 1922.
Connell Irish
Anglicized form of Irish Ó Conaill meaning "descendant of Conall".
Connor Irish
Variant of O'Connor.
Cullen 2 Irish
Anglicized form of Ó Coileáin or Ó Cuilinn.
Cummins English, Scottish, Irish
From the Old Breton given name Cunmin, a cognate of Cuimín, introduced to Britain at the time of the Norman Conquest.
Cunningham 2 Irish
From Irish Ó Cuinneagáin meaning "descendant of Cuinneagán", a diminutive of Conn.
Curran Irish
Anglicized form of Irish Ó Corraidhín meaning "descendant of Corraidhín".
Davin Irish
Variant of Devin 1.
Delaney 2 Irish
Anglicized form of Irish Ó Dubhshláine meaning "descendant of Dubhshláine".
Devin 1 Irish
Anglicized form of the Gaelic surnames Ó Damháin or Ó Dubháin.
Dolan Irish
From the Irish Ó Dubhshláin meaning "descendant of Dubhshláine".
Donne Scottish, Irish
From Gaelic donn meaning "brown", a nickname for a person with brown hair.
Donoghue Irish
From Irish Ó Donnchadha meaning "descendant of Donnchadh".
Donovan Irish
Anglicized form of the Irish name Ó Donndubháin meaning "descendant of Donndubhán".
Douglas Scottish
Anglicized form of Gaelic Dubhghlas, which meant "dark river" from dubh "dark" and glais "water, river" (an archaic word related to glas "grey, green"). This is the name of various places in Scotland, such as a tributary of the River Clyde.
Downer English
Name for someone who lived on or near a down, which an English word meaning "hill".
Doyle Irish
From the Irish Ó Dubhghaill, which means "descendant of Dubhghall". A famous bearer was Sir Arthur Conan Doyle (1859-1930), the author of the Sherlock Holmes mystery stories.
Duane Irish
Anglicized form of the Gaelic Ó Dubháin.
Dubhghlas Scottish
Gaelic form of Douglas.
Duff Scottish
Derived from Gaelic dubh meaning "dark".
Duffy 1 Irish
Derived from Irish Ó Dubhthaigh meaning "descendant of Dubhthach". Their original homeland was Monaghan where the surname is still the most common; they are also from Donegal and Roscommon.
Duncan Scottish
From the given name Duncan.
Duncanson Scottish
Means "son of Duncan".
Dunn English, Scottish, Irish
Derived from Old English dunn "dark" or Gaelic donn "brown", referring to hair colour or complexion.
Ellis English, Welsh
Derived from the given name Elijah, or sometimes Elisedd.
Ennis Irish
Variant of Innes 1.
Fannon Irish
From the Irish Ó Fionnáin meaning "descendant of Fionn".
Ferguson Irish, Scottish
Means "son of Fergus".
Finn Irish
Derived from the given name Fionn.
Finnegan Irish
Anglicized form of Irish Ó Fionnagáin meaning "descendant of Fionnagán". The given name Fionnagán is a diminutive of Fionn.
Finnin Irish
Diminutive form of Finn.
Fulton English
From the name of the English town of Foulden, Norfolk, meaning "bird hill" in Old English.
Fylan Irish
Variant of Whelan.
Glen Scottish
Variant of Glenn.
Glenn Scottish
Derived from Gaelic gleann "valley". A famous bearer was American astronaut John Glenn (1921-2016).
Glynn Welsh, Cornish
Topographic name for someone who lived in a valley, from Welsh glyn and Cornish glin, or a habitational name from a place named with this word.
Guinness Irish
Variant of McGuinness. The name is well known because of the Guinness brand of ale, established in 1759 by Arthur Guinness.
Haden English
From a place name derived from Old English hæþ "heath" and dun "hill".
Hamilton English, Scottish
From an English place name, derived from Old English hamel "crooked, mutilated" and dun "hill". This was the name of a town in Leicestershire, England (which no longer exists).
Hayden 1 English
From place names meaning either "hay valley" or "hay hill", derived from Old English heg "hay" and denu "valley" or dun "hill".
Hayes 2 Irish
Anglicized form of Irish Ó hAodha meaning "descendant of Aodh".
Hennessy Irish
Anglicized form of Irish Ó hAonghuis meaning "descendant of Aonghus".
Hughes 2 Scottish, Irish
Anglicized form of Mac Aodha.
Hyland 2 Irish
Variant of Whelan.
Innes 1 Scottish
From a place name derived from Gaelic inis meaning "island".
Innes 2 Scottish
From the given name Aonghus.
Jekyll English
Derived from the Breton given name Judicaël. This name was used by Robert Louis Stevenson for the character of Dr Henry Jekyll in the book Strange Case of Dr Jekyll and Mr Hyde (1886).
Jewel English
Variant of Jewell.
Jewell English
Derived from the Breton given name Judicaël.
Joossens Flemish
Means "son of Joos".
Joosten Dutch
Derived from the given name Joost.
Joyce English, Irish
From the given name Joyce.
Kavanagh Irish
Derived from the Irish Gaelic name Caomhánach, which means "a student of saint Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada.
Keefe Irish
Anglicized form of the Irish Ó Caoimh meaning "descendant of Caomh".
Keegan Irish
From Irish Mac Aodhagáin meaning "descendant of Aodhagán". The given name Aodhagán is a double diminutive of Aodh.
Kendall English
Derived from the town of Kendal in England, so-called from the river Kent, on which it is situated, and Old English dæl meaning "valley, dale".
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.
Key 2 Irish
Anglicized form of Mac Aodha.
Keyes 2 Irish
Anglicized form of Mac Aodha.
Keys 2 Irish
Anglicized form of Mac Aodha.
Kilduff Irish
From the Irish Mac Giolla Dhuibh meaning "son of the black-haired man".
Kimball English
Derived from the Welsh given name Cynbel or the Old English given name Cynebald.
Kyle Scottish
Derived from Gaelic caol meaning "narrows, channel, strait", originally given to a person who lived by a strait.
Kyles Scottish
Variant of Kyle.
Langdon English
Derived from various places names, of Old English origin meaning "long hill" (effectively "ridge").
Lewis 2 Welsh
Anglicized form of Llywelyn.
Lindon English
Variant of Lyndon.
Llewellyn Welsh
Derived from the Welsh given name Llywelyn.
Llywelyn Welsh
Derived from the Welsh given name Llywelyn.
Lyndon English
Originally from a place name meaning "linden tree hill" in Old English.
Lyon 1 English, French
Originally denoted a person from the city of Lyon in central France, originally Latin Lugdunum, of Gaulish origin meaning "hill fort of Lugus". It could also denote a person from the small town of Lyons-la-Forêt in Normandy.
Lyons English
Variant of Lyon 1.
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.
MacCailín Irish, Scottish
Means "son of Cailean" in Gaelic.
MacCallion Scottish
Anglicized form of MacCailín.
MacCance Scottish
Variant form of MacAngus.
MacDougall Scottish
Means "son of Dougal" in Scottish.
Mac Gille Fhaolain Scottish
Scottish Gaelic form of McClelland.
Mac Giolla Bhrighde Irish
Means "son of the servant of Brighid" in Irish.
Mac Giolla Dhuibh Irish
Irish Gaelic form of Kilduff.
MacKay Scottish, Irish
Anglicized form of Mac Aodha.
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.
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 "descendant of Mathghamhain".
Mallon Irish
Variant of Malone.
Malloye Irish
Variant of Molloy.
Malone Irish
Anglicized form of Irish Ó Maoil Eoin meaning "descendant of a disciple of Saint John".
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.
McCrory Irish, Scottish
Anglicized form of Gaelic Mac Ruaidhrí meaning "son of Ruaidhrí".
McGee Irish, Scottish
Anglicized form of Mac Aodha.
McGuinness Irish
Anglicized form of Irish Mag Aonghuis meaning "son of Aonghus".
McInnes Scottish
Scottish form of McGuinness.
McKay Scottish, Irish
Anglicized form of Mac Aodha.
McKee Scottish, Irish
Anglicized form of Mac Aodha.
McMahon Irish
Anglicized form of Mac Mathghamhna meaning "son of Mathghamhain".
McQueen Irish, Scottish
Anglicized form of MacShuibhne.
Mohan Irish
Anglicized form of Irish Ó Mocháin meaning "descendant of Mochán".
Mollown Irish
Variant of Malone.
Monroe Scottish
Designated a person who had originally lived near the mouth of the Roe River in Derry, Ireland.
Moon 3 Irish
Variant of Mohan.
Morgan Welsh
Derived from the given name Morgan 1.
Mulloy Irish
Variant of Molloy.
Mulryan Irish
Anglicized form of Ó Maoil Riain.
Munro Scottish
Variant of Monroe.
Nolan Irish
Anglicized form of Irish Ó Nualláin meaning "descendant of Nuallán".
O'Berne Irish
Variant of O'Byrne.
Ó Bradáin Irish
Irish Gaelic form of Braden.
Ó Braoin Irish
Irish Gaelic form of Breen.
Ó Braonáin Irish
Irish Gaelic form of Brennan.
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 "descendant of Brian".
Ó Broin Irish
Irish Gaelic form of O'Byrne.
O'Byrne Irish
Anglicized form of Irish Ó Broin meaning "descendant 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 Catháin Irish
Means "descendant of Cathán".
Ó Cathaláin Irish
Irish Gaelic form of Callan.
Ó Cathasaigh Irish
Irish Gaelic form of Casey.
Ó Coileáin Irish
Means "descendant of Coilean" in Irish.
Ó Conaill Irish
Irish Gaelic form of Connell.
Ó Conchobhair Irish
Irish Gaelic form of O'Connor.
O'Connor Irish
From Irish Ó Conchobhair meaning "descendant of Conchobhar".
Ó Corraidhín Irish
Irish Gaelic form of Curran.
Ó Cuidighthigh Irish
Irish Gaelic form of Cody.
Ó Cuinn Irish
Irish Gaelic form of Quinn.
Ó Cuinneagáin Irish
Irish Gaelic form of Cunningham 2.
Ó Donnchadha Irish
Irish Gaelic form of Donoghue.
Ó Donndubháin Irish
Irish Gaelic form of Donovan.
O'Doyle Irish
Variant of Doyle.
Ó Dubháin Irish
Means "descendant of Dubhán".
Ó Dubhghaill Irish
Irish Gaelic form of Doyle.
Ó Dubhshláin Irish
Irish Gaelic form of Dolan.
Ó Dubhshláine Irish
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.
Ó hAonghuis Irish
Irish Gaelic form of Hennessy.
O'Kane Irish
Anglicized form of Ó Catháin.
O'Keefe Irish
Variant of Keefe.
Ó Maoil Eoin Irish
Irish Gaelic form of Malone.
Ó Maoil Riain Irish
Means "descendant of a follower of Rían", derived from Irish maol meaning "follower".
Ó Maoilsheachlainn Irish
Means "descendant of Maolsheachlann" in Irish.
Ó Maol Aodha Irish
Means "descendant of a follower of Saint Aodh". It is derived from Irish maol meaning "follower, servant".
Ó Maol Bhréanáin Irish
Means "descendant of a follower of Saint Brendan" in Irish.
Ó Mathghamhna Irish
Irish Gaelic form of Mahoney.
Ó Mocháin Irish
Irish Gaelic form of Mohan.
Ó Nualláin Irish
Irish Gaelic form of Nolan.
Ó Riain Irish
Means "descendant of Rían".
Orman Irish
Anglicized form of Ó Ruaidh.
Ormond Irish
Anglicized form of Ó Ruaidh.
Ormonde Irish
Anglicized form of Ó Ruaidh.
Ó Ruadháin Irish
Means "descendant of Ruadhán" in Irish.
Ó Ruaidh Irish
Means "descendant of Ruadh" in Irish.
Ó Seanáin Irish
Irish Gaelic form of Shannon.
Ó Tíghearnaigh Irish
Irish Gaelic form of Tierney.
Quinn Irish
Anglicized form of Irish Ó Cuinn meaning "descendant of Conn".
Rowan Irish
Anglicized form of Ó Ruadháin.
Roydon English
Originally derived from a place name meaning "rye hill", from Old English ryge "rye" and dun "hill".
Ruane Irish
Anglicized form of Ó Ruadháin.
Ryan Irish
Anglicized form of Ó Riain, or else a simplified form of Mulryan.
Shannon Irish
From Irish Ó Seanáin meaning "descendant of Seanán".
Sheenan Irish
Variant of Shannon.
Slane Irish
Originally indicated a person from Slane, County Meath, Ireland, which is derived from the given name Sláine.
Sloan Irish
Patronymic name derived from the early Irish given name Sluaghadhán.
Sloane Irish
Variant of Sloan.
Sweeney Irish
Anglicized form of MacShuibhne.
Tierney Irish
From the Irish Ó Tíghearnaigh meaning "descendant of Tighearnach".
Whalen Irish
Variant of Whelan.
Whelan Irish
Anglicized form of Irish Ó Faoláin meaning "descendant of Faolán".
York English
From the name of the English city of York, which was originally called Eburacon (Latinized as Eboracum), meaning "yew" in Brythonic, but was altered by association with Old English Eoforwic, meaning "pig farm".