| Name |
Pronunciation |
Meaning |
English Spelling |
Gender |
| Cacht | (kacht) | a slave | | M,F |
| Cadan, Cadhan | (kine) | wild goose, barnacle goose | angl. Kyne | M |
| Cadlae, Cadhla | (KY-la) | beautiful, comely | Keely, | M |
| Cáechán, Caochán | (KAY-chawn) | purblind,
dim-sighted | Keehan | M |
| Cáel, Caol | (kayl) | slender, fine, thin | Kale | M |
| Caelán, Caolán | (KAY-lawn) | slender lad | | M |
| Cáelbad, Cóelub, Caolbhadh | (KAYL-va) | | | M |
| Caélfind, Cáelainn, Caolinn | (KAY-lin) | slender, fair
lady | Kaylynn | F |
| Cáelchú, Caolchú | (KAYL-chu) | slender
hound, warrior | | M |
| Cáeltigern, Caoiltiarn | (keel-TEERN) | slender lady | Kiltiern | F |
| Cáem, Caomh | (kayv) | precious, beloved, beautiful | | M |
| Cáemán, Caomhán | (KAY-vawn) | beloved
person, friend | | M |
| Cáemell, Cáemgel, Caoimheall | (KEE-val) | beautiful,
beloved | | F |
| Cáemfind, Caoimhinn | (KEE-van) | beautiful and fair | | F |
| Cáemgen, Caoimhín | (kee-VEEN) | beautiful birth,
comely child | Kevin | M |
| Cáemlug, Caomhlú | (KAYV-lu) | beautiful, beloved +
Lug (light, brightness) | | M |
| Cáemnat, Caomhnait, Caomhnad | (KAYV-nit) | beautiful girl | |
F |
| Cáemóc, Caomhóg | (KAYV-og) | beautiful,
beloved girl | | F |
| Caicher, Caichear | (KO-her) | | | M |
| Cailléne, Caillín | (kal-EEN) | | | M |
| Cailte, Caílte, Caoilte | (KEEL-ty) | hard | Keelty | M |
| Caimmíne, Caimín | (kom-EEN) | stooped, bent | | M |
| Caímsech, Caoimhseach | (KEEV-sach) | beautiful, beloved girl | | F |
| Caíndelbán, Caoinleán | (KEEN-lan) | of
beautiful shape | Quinlan, Quinlevan | M |
| Cainder, Cainnear | (KON-er) | | Connor | M |
| Cainnech, Cainneach, Coinneach | (KON-ach) | | Kenny | M |
| Cainnechán, Cainneachán | (KON-ach-awn) | dim of
Cainnech | | M |
| Cainnlech, Cainnleach | (KON-lach) | shining, lustrous | | F |
| Caíntigern, Caointiarn | (kin-TIARN) | gentle lady | Kintiarn | F |
| Cairbre | (KAR-bre) | | | M |
| Caírech, Caíreach | (KEER-ach) | | | F |
| Cairell, Caireall, Coireall | (KOR-al) | | Carroll, Kerill | M |
| Cairellán, Caireallán | (KOR-al-awn) | | O Carolan,
Carleton | M |
| Cairenn, Caireann | (KAR-an) | from Latin Carina | Karen | F |
| Cairnech, Cairneach | (KAR-nach) | cleric, tonsured one | | M |
| Cáirthenn, Cáirtheann | (KAR-han) | | | M |
| Caisséne, Caisín | (kos-EEN) | "cas", curly-haired | | M |
| Caiterína, Caitríona, Catraoine | (kot-REE-na) |
borrowing of Catherine | Katrina | F |
| Cáit | (kot, kotch) | short for Caitríona | Kate | F |
| Cáitín, | (kot-EEN) | short for Caitríona | | F |
| Cáitilín, | (kot-LEEN) | borrowing of Catherine | Kathleen | F |
| Calbhach, Cabhlach | (KOL-vach) | "bald" | Calvagh, Callough | M |
| Canacán, Canagán | (KON-a-gan) | dim. of Cano (wolf-
cub) | | M |
| Canannán | (KON-awn-an) | dim. of Cano (wolf-cub) | | M |
| Canair | (KON-ir) | perhaps a variant of Cainder | | F |
| Cano, Cana | (KON-a) | wolf-cub, a young warrior | | M |
| Caoimhghin | (KEEV-an) | "comely birth" | Kevin | M |
| Caolán | (KEE-lan) | "slender" | Kealan, Kelan | M |
| Carthach | (KOR-hach) | "loving" | Cartagh, Carthage | M |
| Cass, Cas | (kos) | curly-haired (lover, loving person) | | M |
| Cassair | (COS-ir) | perhaps from cass (curly-haired) | | M |
| Cassán | (kos-AWN) | from cass, curly-haired | | M |
| Cathach | (KAH-hach) | warlike | | F |
| Cathaír, Cathaoir | (KAH-heer) | | Cahir, Caher | M |
| Cathal | (KAH-hal) | strong in battle | Cahill | M |
| Cathalán | (kah-hal-AWN) | dim of Cathal | | M |
| Cathán | (ko-HAWN) | der. from cath, a battle, and perhaps
meaning battler | O Kane | M |
| Cathassach, Cathasach | (KAW-has-ach) | vigilant in war | | M |
| Cathbarr, Cathbharr | (KAF-far) | | Caffar | M |
| Cathchern | (KOH-ern) | | battle-lord | M |
| Cathgal, Cathaíl | (koh-HEEL) | fierce in battle, able for battle | | M |
| Cathmáel, Cathmhaol | (KOH-vel) | battle-champion | | M |
| Cathnio, Cathnia | (KOH-nya) | battle-champion | | M |
| Cathrae, Cathra | (KOH-ra) | battle-king | Cawthra | M |
| Causantín, Consaldín, Cansandín | (kow-SAD-in) | Constantinus | | M |
| Céibhfhionn, Céibhionn | (KEEV-un) | lady of fair locks | | F |
| Cellach, Ceallach | (KAL-ach) | bright-headed | Kellagh, Kelly | M |
| Cellachán, Ceallachán | (KAL-ach-an) | bright-headed | Callaghan | M |
| Cellsach, Ceallsach | (KAL-sach) | | Kelsey | F |
| Cennétig, Cinnéide | (kin-ED-ig) | ugly-headed | Kennedy | M |
| Cenn Fáelad, Cionnaola | (kin-EL-a) | wolf-head | Kennelly | M |
| Cennselach, Cinnsealach | (KIN-sal-ach) | proud, masterful | Kinsella | M |
| Cera, Ceara | (KAR-a) | bright red | Kara | F |
| Cerball, Cearbhall, Cearúl | (KAR-ul) | valorous in battle | Carroll | M |
| Cernach, Cearnach | (KAR-nach) | victorious, triumphant | | M |
| Cétach, Céadach | (KEED-ach) | first | Kedagh | M |
| Cethern Ceithearn | (KE-harn) | long-lived, lasting | | M |
| Cett, Ceat | (KAT) | ancient, enduring | | M |
| Cian | (KEE-an) | "ancient" | Keane | M |
| Cianán | (KEE-an-un) | "ancient", dim. of Cian | Keenan | M |
| Ciar | (KEER) | "dark, black" | | F |
| Ciarán | (KEER-an) | "dark, black", dim. of Ciar | Kieran | M |
| Ciarmacc, Ciarmhac | (KEER-vach) | dark son | Kirby | M |
| Ciarnat, Ciarnait | (KEER-nit) | "dark lady," fem. form of Ciaran | | F |
| Cilléne, Cillíne, Cillín | (kil-LEEN) | a church, a cell | Kilian | M |
| Cináed, Cináeth, Cionaodh | (KEN-ee) | | Kenny | M |
| Cithrúadh, Ciothruadh | (KIR-oo-ah) | | | M |
| Cléirech, Cléireach | (KLER-ach) | clerk, cleric | Cleary | M |
| Cléirchéne, Cléirchín | (KLER-heen) | dim. of Cléirech | Clarkin | M |
| Clídna, Clíodhna | (KLEE-na, KLEE-o-na) | | | F |
| Clodagh | (KLO-da) | name of river in Tipperary | | F |
| Clothach | (KLO-hach, KLO-ha) | famous, renowned | | M |
| Clothru, Clothra | (KLO-ra) | famous | Clora | F |
| Cnes, Cneas | (ku-NAS) | beautiful | | F |
| Coblaith, Cobhlaith | (KOV-la) | victorious soveriegnty | | F |
| Cobthach, Cobhthach, Cofach | (KOV-hach) | victorious | Coffey | M |
| Coccán | (kok-AHN) | red | | M |
| Cochrann | (KOK-ran) | red lady | Cochrane | F |
| Coilín | (KOL-in, kol-EEN) | from Nicholas | Colin | M |
| Cóilín | (KOL-in) | dim. of Colman | | M |
| Colcu, Colga | (KUL-ga) | | perhaps Colgan | M |
| Colla | (KUL-a) | great lord, chief | Coll | M |
| Colma | (KOL-ma) | from Latin, Columba "a dove" | | F |
| Colmán | (kul-MAWN) | from Latin, Columba "a dove" | Colman | M |
| Columb, Colum, Colam, Calam, Colm | (KOL-um) | from Latin, Columba "a dove" | | M,F |
| Comgall, Comhghall | (KOW-al) | | Cowal | M |
| Comgán, Comhghán | (kow-AHN) | | Cowan | M |
| Commán, Comán | (kum-AHN, KOM-an) | | | M |
| Comnat Comnait | (KUM-nit, KUV-nit) | fem. form of Commán | | F |
| Conaing | (KUN-ing) | a king | | M |
| Conaire | (kun-IR-eh) | | | M |
| Conall | (KON-al) | strong as a wolf | Connell | M |
| Conamail, Conamhail, Conúil | (kun-ALL) | wolf-like | | M |
| Conán | (kun-AHN, KOH-nan) | hound, wolf | Conan | M |
| Conchobar, Conchobar, Conchúr | (KUH-her) | lover of wolves | Connor | M |
| Congal, Conghal | (kun-EEL) | brave, fierce as a wolf | Connell | M |
| Congalach, Conghalach | (KUN-il-ach) | | | M |
| Conláed, Conlaodh, Conlao | (KON-lee) | | Conly | M |
| Conmacc, Conmhac | (KUN-mak, KUN-vac) | wolf-son | | M |
| Conmáel, Conmhaol | (kun-VEEL) | wolf-warrior | | M |
| Conn | (KON) | wisdom | Conn | M |
| Conna | (KON-ah) | pet form of Colmán | Conna | F |
| Connla, Condla, Cúnla | (KUN-la) | great lord, great chief | Connla, Conly | M |
| Conrí | (KON-ree) | king of wolves | Conry | M |
| Corbb, Corb | (kurb) | name found only in legends | | M |
| Corbbach, Corbach | (KUR-bach) | | | F |
| Corbbnat, Corbnait | (KURB-nit) | | | F |
| Corcc, Corc | (KURK) | heart; red, crimson | Quirke, Kirk | M |
| Corccair, Corcair | (KUR-kir) | fem. of Corcc | | F |
| Corccán, Corcán | (KUR-kawn) | dim. of Corcc | | M |
| Corcrán | (kurk-RAWN) | from corcur, red, crimson, purple | Corcráin, Corcoran | M |
| Cormacc, Cormac | (KUR-mok) | tenth most popular name in early Ireland | Cormick | M |
| Cormaccán, Cormacán | (KUR-mak-awn) | dim. of Cormac | Cormickan | M |
| Cosrach, Coscraigh | (KOS-krach, KOS-kree) | "triumphant, victorious" | Coscraigh, Cosgrove | M |
| Cosnumach, Cosnamhach | (KOS-nuch) | "contentious, valiant" | | M |
| Cranat, Cranait | (KRAN-it) | | | F |
| Créd, Créde, Crédh, Créidhe | (kree, kreedge) | | Creidhe | F |
| Críchán, Crechán | (KREE-kan) | "a horse" | Creegan, Crehan | M |
| Crimthann, Criomthann, Criofan | (KREE-fan) | "a fox" | Creefan, Griffin | M |
| Crínán, Críonán | (KREE-nawn) | "old" | Creenan | M |
| Crínóc, Críonóg | (KREE-nohg) | "old" | Crinogue | F |
| Crítán, Críodán | (KREE-dawn) | | Críodáin, Creedon | M |
| Cróchnat, Cróchnait | (KROCH-nit) | saffron, red | | F |
| Cróebnat, Craobhnait | (KREEV-nit) | from cróeb, "a branch or garland" | Croebhnait | F |
| Cróine, Crón | (KRON-a) | | | F |
| Crommán, Cromán | (kro-MAWN) | crooked, bent | Cromawn | M |
| Crónán | (KRO-nan) | swarthy, yellow | Cronan | M |
| Crónsech, Cróinseach | (KRON-sach) | fem. form of Cronan | | F |
| Crummíne, Cruimín | (krim-EEN) | crooked, bent | | M |
| Cruimsech, Cruimseach | (KRIM-sech) | | | F |
| Cruind, Cruinn | (krinn) | round | | M |
| Cú Chaille, Cú Choille | (koo-KILL-a) | wolf or hound of the wood | | M |
| Cú Choigcríche, Cú Coigríche | (koo-KIG-ree) | hound of the border | | M |
| Cú Chonnacht | (koo-KUN-acht) | hound of the Connachtmen | | M |
| Cú Chulainn | (koo-CUL-in) | name of the greatest of all Irish warriors | | M |
| Cú Dub, Cú Dhubh | (KOO-uv) | black hound | | M |
| Cú Faifne, Cúaifne | (koo-AF-nee) | hound of Faffand | | M |
| Cú Luachra | (koo-LUACH-ra) | hound of Lúachair | | M |
| Cú Maige, Cú Mhaighe, Cúmhaí | (KOO-vee) | hound of the plain | | M |
| Cú Mara, Cú Mhara | (KOO-var-a) | | Cuvarra | M |
| Cú Meda, Cú Mheada, Cúmheá | (KOO-vey) | mead-hound | Cuvea | M |
| Cú Roí, Cú Raoi | (KOO-ree) | hound of Rua | | M |
| Cú Ulad, Cú Uladh, Cú Ula | (KOO-oo-la) | hound of the Ulstermen | Cooley | M |
| Cúach | (KOO-ach) | | | F |
| Cúachnat, Cúachnait | (KOO-ach-nit) | | | F |
| Cúán, Cuán | (KOO-ane, koo-ANE) | dim. of cú, "wolf" | O Quane, Quain | M |
| Cúanu, Cuana | (KOON-a) | distinguished, pleasant | | M |
| Cúanachtach | (KOO-an-ach-tach) | leader of a wolf-pack | | M |
| Cuilén, Coileán | (kil-AWN) | youth | Killawn | M |
| Cuimmíne, Cuimín | (kim-EEN) | crooked, bent | | M |
| Cuinche | (KIN-hee) | | | M |
| Cuindles, Cuinnleas | (KIN-las) | | O Quinlisk, Quinlisk, Cundles | M |
| Cuirithir | (KEER-a-heer) | | | M |
| Cumman, Cummain, Cumne | (KUM-in) | | | F |
| Curchach | (KURCH-ach) | | | M |
| Curnán | (kurn-AWN) | | | M |