C
The abbreviations in the "category" column are: A=anglicization T= traditional name Tr= Irish translation of a non-Irish name M= modern creation P= place name L= last name, S= saint name.| Name (gender) | Category | Pronunciation | Other Forms | Origin/Meaning |
|---|---|---|---|---|
| Cabe | L | KAIB | Mac Caba | a cape |
| Cabra/Cabragh | P | CAB ra | - | "poor land" |
| Cadden | L | KAD den | Mac Cadáin | ? |
| Cagney | L | KAG nee | Ó Cáingne | tribute or exaction |
| Cahey/Caughey | L | KA hee, KAW hee | Mac Eachaidh | son of Eachaidh |
| Cairbre | T/S | KAR bryeh | Carbry | charioteer, bearer |
| Cairell (m) | T | CA rel | Kerrill, Karel, Coireall, Cyril | meaning is unknown |
| Caiseal | M,P | CASH ul | Cashel | castle |
| Caislín | M,P | CASh leen | Cashlin, Cashleen | little castle |
| Caitlín (f) | Tr | KOYT hleen | Catherine, Kathleen | from Greek, traditionally means " pure," although the original meaning has been lost. |
| Caitlin, Katelyn (f) | M | KAIT lin | Kaitlyn, Caitlyn- has an infinite # of spellings | modern English pronunciation of Cáitlín--Irish form of Catherine |
| Caitrín (f) | Tr | KOYT hreen | Catherine | from Greek, traditionally associated with the word "pure," although the original meaning has been lost. |
| Caitríona (f) | Tr | coyt HREE a na | Catherine, Catrina | from Greek, traditionally associated with the word "pure," although the original meaning has been lost. |
| Calbhach (m) | T | COL vakh | Calvagh Charles | bald |
| Callan | P | CAL lan | - | dim. of Cathal, meaning "strong in battle" |
| Callinan | L | CAL I nin | Ó Callanáin | dim. of Cathal, meaning "strong in battle" |
| Camlin | P | CAM lin | - | crooked line |
| Canavan | L | CAN I vin | Ó Ceanndubháin | possibly means "black head" (i.e. dark-haired) |
| Caoilfhionn (f) | T,S | KEE lin, KWAY linn | Keelin, Kaylin, Caoilinn, Caoileann | fair and slender |
| Caoimhe (f) | T | KEE va, KWEE va | Keeva, Keavy | beauty or grace |
| Caoimhín (m) | T | KEE veen, KWEE veen | Kevin,Cáemgen | beautiful birth, comely child |
| Cara (f) | M | KAR a, KAIR a | Kara, Carragh | Irish word for " friend" |
| Carey | L | CAIR ee | Ó Ciardha, Mac Fhiacra | either "dark" or " son of Fiachra" |
| Carley | L | CAR lee | Mac Fhearghaile | son of Fergal |
| Carlin/Carolan | L | CAR lin, CAR a lin | Ó Cairealláin | son of Cairealláin |
| Carragh | P | CAR ra | an cora | weir |
| Carran | P | CAR ran | - | meaning unknown |
| Carrick | P | CAR rick | an Carraig | rock |
| Carrigan | P/L | CAR I gan | Kerrigan, Carigan | little rock |
| Casey | L | CAY see | O/Mac Cathasach/Ceasaigh | vigilant in war |
| Cashel | M,P | CASH ul | Caiseal | Castle |
| Cashlin | M,P | CASH lin, CASH leen | Caislín | little castle |
| Cass (m) | T | CAS | Cas | curly-haired |
| Cassair (m) | T | CAS sir | - | curly-haired |
| Cassán (m) | L | CAS awn | Cassan | little curly-haired one |
| Cassidy | T | CASS i dee | Ó Caiside | meaning is unknown |
| Cathaír (m) | T | KA heer | Cahir, Cathaoir | battle lord? |
| Cathal (m) | T,S | KA hul | Cahal, Cahill, Charles | strong in battle |
| Cathán (m) | T,S | CA hawn | Cahan, Kane, Cahán | battler |
| Cavan | P | CAV in | - | the hollow |
| Cavanagh/Cavanna | L | CAV a na | see Kavanagh | |
| Ceallach (m/f) | T,S | KAL ukh | Kelly | bright headed |
| Ceara (f) | T,S | KYAR a, KA ra | Cara, Carra | fiery red |
| Cearbhall | T | KYAR ul | Cearúl, Carroll, Charles | brave in sword-fighting; valorous in battle |
| Cian (m) | T | KEE in | Keane | ancient |
| Ciar (f) | T,S | KEE ir | Keir, Kira, Ciara | black; dark |
| Ciara (f) | M | KEE a ra, KEER a | Kiera, Kira | dark |
| Ciarán (m) | T,S | KEE a rawn | Kieran | black |
| Cillén, Cillian (m) | T,S | KIL ee an | Killian, Cillín, Cilléne | church |
| Cináed (m) | T | KIN awd | Kenneth, Cinneath, Cináeth, Cinnead | from Pictish, ?? |
| Clady | P | CLAY dee | - | ground hardened from trampling/muddy place |
| Clancy | L | CLAN see | Mac Fhlannchaidh | red warrior? |
| Clare | P | CLAIR | an Clar | flat place |
| Cliffony | P | CLIFF o nee | - | grove of the hurdles |
| Clíodhna (f) | T | KLEE uh na | Cliona, Cleana, Clíona | meaning is unknown. |
| Clodagh (f) | M,P | KLO da | - | river in Co. Tipperary |
| Cody | L | CO dee | Mac Oda | son of Otto |
| Coilean (m) | T | CUL yin | Colin, Collin | whelp |
| Coilín (m) | Tr | CUL in | Nicholas, Colin | from the Norman pet form of Nicholas (Greek)- victory of the people |
| Coinneach (m, sometimes f) | T, S | KAN yakh | Cainneach, Canice, Charles, Kenny | sorrowful |
| Colleen (f) | M | col LEEN | Coleen, Cailín | Irish word for " girl." This was first used as a first name by the actress Colleen Moore (born Kathleen Morrison) in the 1920s. |
| Collins | L | COL lins | Ó Coilean | whelp; young warrior |
| Colm | T,S | CULL um | Colman | from Latin- " dove" |
| Colmán (m) | T,S | KUL mawn | Colman, Colm | from Latin- " dove" |
| Comhghall (m) | T,S | KU wull | Cowal, Comgal | "fellow hostage" |
| Conaire (m) | T | CUN na reh | Connery | possibly, "wolf farmer" |
| Conall (m) | T,S | KUN al | Connell, Conal | strong as a wolf |
| Conán (m) | T,S | KUN awn | conan | hound or wolf |
| Conchobhar (m) | T | KRU hur | Conor, Conchobar, Cornelius, Corney | lover of hounds |
| Conlan | L | CON lan | Ó Conneláin, Ó Caoindealbhain | can be either "strong as a wolf", or "fair; comely shape." |
| Conlaodh (m) | T,S | Kun lee | Conley, Conleth, Conláed | prudent fire |
| Conleth (m) | A,S | CON leth | Connlaodh | chief lord |
| Conn (m) | T | KUN, KOWN, KON | Constantine | wisdom; chief |
| Connell (m) | A,S | CON nel | Conall | strong as a wolf |
| Connemara | P | con na MAR a | - | the conmacne people of the sea |
| Connery | L | CON ner e | Ó Conaire | wolf farmer? |
| Connor | L | KON nur | Ó/Mac Conchobháir | grandson/son [descendant of] Conchobhar ("lover of hounds") |
| Conor (m) | A | CON ner | Conchobhar | lover of hounds |
| Conrí (m) | T, A | CUN ree | - | wolf king |
| Corcoran | L | COR cor an | Mac corcráin | purple |
| Corey | L | COR ee | Gofraidh, Godfrey | Irish form of Godfrey |
| Corley | L | COR lee | Ó Thoirdealbhaigh | abettor; instigator |
| Cormac (m) | T,S | KUR a mac/COR mick | Charles | son of the defiler? charioteer? |
| Corr | P | COR | corr | round hill |
| Corroy | P | cor ROY | corr ruadh | russet round hill |
| Coulter | L | COAL ter | Ó Coltair | place name |
| Cuán (m) | T | KOO awn | Cúán | diminutive of Cu, meaning "hound" |
| Cullen | L | CUL len | O/Mac Cuilinn | "holly" |
| Cúmhaí (m) | T | koo VEE, koo EE | Hughey, Quinton | hound of the plain |
| Curnán (m) | T | KUR nawn | Curnan | meaning is unknown |
| Curran | L | CUR ren | Ó Corráin | possibly, "spear" |