Browse Surnames

This is a list of surnames in which the usage is Celtic; and the length is 8.
usage
length
Callahan Irish
Anglicized form of Irish Ó Ceallacháin meaning "descendant of Cellachán".
Connolly Irish
Anglicized form of Irish Ó Conghalaigh, which means "descendant of Conghalach". Conghalach is a nickname meaning "valiant".
Corcoran Irish
From Irish Ó Corcráin meaning "descendant of Corcrán", a given name derived from the Gaelic word corcair "purple".
Coughlan Irish
Anglicized form of Ó Cochláin.
Coughlin Irish
Anglicized form of Ó Cochláin.
Donnelly Irish
From Irish Ó Donnghaile meaning "descendant of Donnghal". The given name Donnghal means "brown valour", from donn "brown" and gal "valour". This surname is associated with the descendants of Niall of the Nine Hostages.
Donoghue Irish
From Irish Ó Donnchadha meaning "descendant of Donnchadh".
Driscoll Irish
From Irish Ó hEidirsceóil meaning "descendant of the messenger".
Ferguson Irish, Scottish
Means "son of Fergus".
Finnegan Irish
Anglicized form of Irish Ó Fionnagáin meaning "descendant of Fionnagán". The given name Fionnagán is a diminutive of Fionn.
Flanagan Irish
From Irish Ó Flannagáin meaning "descendant of Flannagán". Flannagán is a given name meaning "blood red". From County Roscommon in Ireland, it has many other spellings.
Flannery Irish
Anglicized form of Irish Ó Flannghaile meaning "descendant of Flannghal", a given name meaning "red valour".
Griffith Welsh, English
Derived from the Welsh given name Gruffudd.
Guinness Irish
Variant of McGuinness. The name is well known because of the Guinness brand of ale, established in 1759 by Arthur Guinness.
Halloran Irish
From Irish Ó hAllmhuráin meaning "descendant of Allmhurán". The given name Allmhurán means "stranger from across the sea".
Hennessy Irish
Anglicized form of Irish Ó hAonghuis meaning "descendant of Aonghus".
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.
Kendrick 2 Welsh
Derived from the given name Cynwrig.
Killough Irish
Indicated a person who was from Killough (County Down, Northern Ireland) or Killough (Wicklow, Ireland). The place name Killough means "church on the lake", derived from the Irish cill "church" and loch "lake".
Llywelyn Welsh
Derived from the Welsh given name Llywelyn.
Mac Aodha Irish
Means "son of Aodh" in Irish.
MacAoidh Scottish Gaelic
Scottish Gaelic form of Mac Aodha.
MacClery Irish
Anglicized form of Mac Cléirich.
MacGowan Irish
Anglicized form of Mac Ghabhann.
MacLeòid Scottish Gaelic
Scottish Gaelic form of McLeod.
Mac Néill Irish
Irish form of McNeil.
MacNèill Scottish Gaelic
Scottish Gaelic form of McNeil.
MacNevin Irish
Anglicized form of Mac Naoimhín.
Mac Niadh Irish
Means "son of Niadh" in Irish. The given name Niadh means "champion".
Magorian Irish
Possibly a variant of McGowan or McGovern.
McCarthy Irish
Anglicized form of Irish Mac Cárthaigh meaning "son of Carthach".
McCauley Irish, Scottish
Anglicized form of Gaelic Mac Amhalghaidh or Mac Amhalghadha meaning "son of Amhalghaidh". The given name Amhalghaidh, from Old Irish Amalgaid, is of uncertain meaning.
McCleary Irish
Anglicized form of Mac Cléirich.
McDevitt Irish
Anglicized form of Irish Mac Daibhéid meaning "son of Dáibhí".
McGovern Irish
Anglicized form of Irish Gaelic Mag Shamhradháin meaning "son of Samhradháin", a given name meaning "summer".
McKeever Irish
Variant of McIver.
McNamara Irish
From Irish Mac Conmara meaning "son of Conmara". The given name Conmara is composed of "hound" and muir "sea".
McSheehy Irish
Anglicized form of Irish Gaelic Mac Síthigh, meaning "son of Sítheach".
Milligan Irish
Anglicized form of the Irish Ó Maolagáin meaning "descendant of Maolagán", a given name derived from maol meaning "bald" or "tonsured".
Moriarty Irish
From Irish Ó Muircheartach meaning "descendant of Muirchertach". This was the surname given by Arthur Conan Doyle to a master criminal in the Sherlock Holmes series.
Ó Bradáin Irish
Irish Gaelic form of Braden.
Ó Caiside Irish
Irish Gaelic form of Cassidy.
Ó Catháin Irish
Means "descendant of Cathán".
Ó Ciardha Irish
Irish Gaelic form of Carey.
Ó Conaill Irish
Irish Gaelic form of Connell.
Ó Conaire Irish
Irish Gaelic form of Conroy.
Ó Cuilinn Irish
Means "descendant of Cuileann", Cuileann being a nickname meaning "holly".
Ó Dálaigh Irish
Irish Gaelic form of Daly.
Ó Damháin Irish
Means "descendant of Damhán".
O'Donnell Irish
Anglicized form of Irish Ó Domhnaill meaning "descendant of Domhnall".
Ó Dubháin Irish
Irish Gaelic form of Duane.
Ó Faoláin Irish
Irish Gaelic form of Whelan.
Ó Frighil Irish
Irish Gaelic form of Friel.
Ó Gormáin Irish
Irish Gaelic form of Gorman 2.
Ó hEaghra Irish
Irish Gaelic form of O'Hara.
Ó hEidhin Irish
Irish Gaelic form of Hines.
Ó hÍcidhe Irish
Irish Gaelic form of Hickey.
Ó hUiginn Irish
Irish Gaelic form of Higgins.
Ó Mainnín Irish
Irish Gaelic form of Manning 2.
Ó Maoláin Irish
Irish Gaelic form of Mullen.
Ó Meadhra Irish
Means "descendant of Meadhra". The given name Meadhra is derived from the Gaelic meadhar meaning "merry, happy".
Ó Mocháin Irish
Irish Gaelic form of Mohan.
Ó Riagáin Irish
Irish Gaelic form of Reagan.
Ó Seanáin Irish
Irish Gaelic form of Shannon.
Ó Seighin Irish
Means "descendant of Seighin". The given name Seighin means "small hawk" from Old Irish séigene.
Rafferty Irish
Anglicized form of Irish Ó Rabhartaigh meaning "descendant of Rabhartach". The given name Rabhartach means "flood tide".
Sheridan Irish
From the Irish name Ó Sirideáin meaning "descendant of Sirideán". The given name Sirideán possibly means "searcher".
Sullivan Irish
Anglicized form of the Irish name Ó Súileabháin meaning "descendant of Súileabhán". The name Súileabhán means "dark eye".