Browse Surnames

This is a list of surnames in which the usage is Celtic; and the first letter is C.

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the letters in the pattern are compared to the letters in the name * is a wildcard that matches zero or more letters example: oo matches names which contain oo _ is a wildcard that matches exactly one letter example: __z matches names which have two letters and then z

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see the pronunciation key for a guide on how to write the sounds sounds can only be searched in names that have been assigned pronunciations * is a wildcard that will match zero or more letters in the pronunciation example: lee matches names which end with the sound lee* _ is a wildcard that will match exactly one letter in the pronunciation example: __z matches names which have two letters and then a z (s) matches exactly one syllable in the pronunciation example: (s)(s)ra matches names which have two syllables and then the sound rah (c) matches a consonant (k) matches a consonant or consonant cluster (v) matches a vowel (p) matches a plosive or stop consonant (f) matches a fricative consonant (n) matches a nasal consonant case sensitive: check this if you wish distinguish between unstressed lowercase sounds and stressed uppercase sounds
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the "relationship" is how the name relates to its parent name example: searching for diminutive matches Betsy because it is a diminutive of its parent Elizabeth selecting *(all core forms)* excludes peripheral forms such as diminutives, short forms, and combinations expand search to ancestral names: relationships between names further up the family tree are included

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Caden Irish
From Irish Mac Cadáin meaning "descendant of Cadán", a given name of unknown meaning.

Cadwallader Welsh
From the given name Cadwalader.

Callaghan Irish
Variant of Callahan.

Callahan Irish
Anglicized form of Irish Ó Ceallacháin meaning "descendant of Cellachán".

Callan Irish
Anglicized form of Irish Ó Cathaláin meaning "descendant of Cathalán".

Caomhánach Irish
Irish Gaelic form of Kavanagh.

Carey Irish
Anglicized form of Irish Ó Ciardha meaning "descendant of Ciardha".

Carmody Irish
Anglicized form of Irish Ó Cearmada meaning "descendant of Cearmaid", a Gaelic given name.

Carr 2 Irish
Anglicized form of Ó Carra.

Carran Irish
Variant of Curran.

Carroll Irish
From the given name Cearbhall. A famous bearer was Lewis Carroll (1832-1898), whose real name was Charles Lutwidge Dodgson, the author of Alice's Adventures in Wonderland.

Cary Irish
Variant of Carey.

Casey Irish
Anglicized form of Irish Ó Cathasaigh meaning "descendant of Cathassach".

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".

Cavanagh Irish
Variant of Kavanagh.

Cavanah Irish
Variant of Kavanagh.

Cavanaugh Irish
Variant of Kavanagh.

Cavey Irish
Possibly an Anglicized form of Mac Daibhéid.

Cecil Welsh
From the Welsh given name Seisyll, which was derived from the Roman name Sextilius, a derivative of Sextus.

Clancy Irish
From Irish Mac Fhlannchaidh meaning "descendant of Flannchadh". The given name Flannchadh means "red warrior".

Cleary Irish
From Irish cléireach meaning "clerk" (see Clark).

Clery Irish
Variant of Cleary.

Cody Irish
Anglicized form of Irish Ó Cuidighthigh or Mac Óda. A famous bearer was the American frontiersman and showman Buffalo Bill Cody (1846-1917).

Coghlan Irish
Anglicized form of Ó Cochláin.

Coleman Irish, English
From the given name Colmán.

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".

Connelly Irish
Variant of Connolly.

Connery Irish
Variant of Conroy.

Connolly Irish
Anglicized form of Irish Ó Conghalaigh, which means "descendant of Conghalach". Conghalach is a nickname meaning "valiant".

Connor Irish
Variant of O'Connor.

Conroy Irish
Anglicized form of Irish Ó Conaire, which means "descendant of Conaire". Conaire is a nickname meaning "hound keeper".

Conway Welsh, English
From the name of the River Conwy in Wales, or the town situated at the mouth of the river. It is possibly derived from Welsh cyn "foremost" and the common river name suffix wy.

Cooney Irish
From Irish Ó Cuana meaning "descendant of Cuana". Cuana probably means "handsome, elegant". The Cooney sept originated in County Tyrone.

Corcoran Irish
From Irish Ó Corcráin meaning "descendant of Corcrán", a given name derived from the Gaelic word corcair "purple".

Couch Cornish
From Cornish cough "red", indicating the original bearer had red hair.

Coughlan Irish
Anglicized form of Ó Cochláin.

Coughlin Irish
Anglicized form of Ó Cochláin.

Crowley 1 Irish
From the Irish name Ó Cruadhlaoich meaning "descendant of Cruadhlaoch", a given name meaning "hardy hero".

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".

Curry Irish
Anglicized form of Ó Comhraidhe or Ó Corra.

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