| Name | Origin | Meaning | Gender |
| CABAL | arthurian | Arthur's dog (ninth century) | male |
| Cabal | Arthurian Legend | Arthur's dog | male |
| Cabe | English | Variant of surname Cable - Ropemaker. | male |
| Cable | English | Ropemaker. An English surname. | male |
| CACAMWRI | arthurian | servant | male |
| Cacamwri | Arthurian Legend | Servant | male |
| Cacanisius | Irish | Son of Nis | male |
| Cace | Irish | Variant of Casey Alert: vigorous. | male |
| Cacey | Irish | Variant of Casey Alert: vigorous. | male |
| CACHAMWRI | celtic | legend name (a servant of Arthur) | male |
| Cachamwri | Celtic | Mythical servant of Arthur | male |
| Cadabyr | English | From the warrior's settlement | male |
| CADASSI | chamoru | to have something of the sea | male |
| CADBY | english | from the warrior's settlement | male |
| Cadby | English | From the warrior's settlement | male |
| Cadda | English | Warring | male |
| Caddaham | English | From the soldier's land | male |
| Caddaric | English | Battle leader | male |
| Caddarik | English | Battle leader | male |
| Caddawyc | English | From the warrior's town | male |
| Cade | Scotland | | male |
| CADELL | celtic | warring | male |
| Cadell | Celtic | Warring | male |
| Caden | Welsh | Spirit of Battle. | male |
| Caden | German | German surname which is derived from a place-name meaning | male |
| CADEO | vietnamese | folk-song | male |
| Cadhla | Irish | Handsome | male |
| CADMAN | anglo | warrior | male |
| CADMAN | celtic | fighter | male |
| Cadman | Celtic | Fighter | male |
| Cadman | Anglo-Saxon | Warrior | male |
| CADMON | greek | myth name | male |
| CADMUS | greek | from the east | male |
| CADOR | arthurian | nephew of Arthur (thirteenth century) | male |
| Cador | Arthurian Legend | Nephew of Arthur | male |
| CADWALLON | anglo | name of a king | male |
| CADWALLON | arthurian | seventh-century king | male |
| Cadwallon | Anglo-Saxon | Name of a king | male |
| Cadwallon | Arthurian Legend | A seventh century king | male |
| CAEDMON | anglo | poet | male |
| Caedmon | Anglo-Saxon | Poet | male |
| Caedon | German | German surname which is derived from a place-name meaning | male |
| CAEDWALLA | anglo | name of a king | male |
| Caedwalla | Anglo-Saxon | Name of a king | male |
| Caelan | Irish | Mighty warrior | male |
| Caellum | Australian | Unknown | male |
| Caellum | Celtic | Brave Warrior | male |
| CAERLEON | arthurian | name of a battle site | male |
| Caerleon | Arthurian Legend | Name of a battle site | male |
| Caersewiella | English | Lives at the watercress spring | male |
| CAESAR | danish | long hair | male |
| Cafall | Arthurian Legend | Arthur's dog | male |
| Caffar | Irish | Helmet | male |
| CAFLICE | anglo | brave | male |
| Caflice | Anglo-Saxon | Brave | male |
| Cagney | Irish | Surname. | male |
| Cahal | Celtic | Strong in battle | male |
| Cahir | Irish | Wamor | male |
| CAI | arthurian | variants of Kay, Arthur's brother | male |
| Cai | Arthurian Legend | Arthur's brother | male |
| CAILEAN | gaelic | child | male |
| Cailean | Scottish | Virile: Contemporary variant of Cailean Child. | male |
| Cailin | Scottish | Contemporary variant of Cailean Child. | male |
| Caillen | Scottish | Virile | male |
| Cailym | Irish | Pillar of the church. | male |
| CAIN | hebrew | possessed | male |
| Cain | Hebrew | Meaning Possessed. In the Bible Cain was the first murderer having killed his brother Abel in a fit of jealousy. | male |
| Cain | Irish | Archaic | male |
| CAINDALE | english | from the clear river valley | male |
| Caindale | English | From the clear river valley | male |
| Caine | English | Place name unrelated to the Biblical Cain. | male |
| Caine | French | Place name unrelated to the Biblical Cain. | male |
| Cairbre | Celtic | Charioteer | male |
| Caiseal | Irish | From Cashel | male |
| Caith | Irish | From the battlefield | male |
| Caius | Roman | Rejoicer. | male |
| Cal | English | Bold: Abbreviation of names beginning with Cal- | male |
| Caladh | Scottish | Harbor | male |
| CALAIS | greek | myth name (son of Boreas) | male |
| Calan | Scottish | Contemporary variant of Cailean Child. | male |
| Calbert | English | Cowherd: cowboy. | male |
| Calbex | English | Shepherd | male |
| Calbhach | Irish | Bald | male |
| CALCHAS | greek | myth name (a seer) | male |
| CALDER | celtic | from the stony river | male |
| CALDER | english | cold brook | male |
| Calder | Scottish | Rough waters. | male |
| Calder | Celtic | From the stony river | male |
| Calder | English | Cold brook | male |
| Caldre | English | Cold brook | male |
| CALDWELL | english | from the cold spring | male |
| Caldwell | English | From the cold spring | male |
| Caldwiella | English | From the cold spring | male |
| CALE | english | bold | male |
| Cale | English | Bold: Surname derived from Charles. | male |
| CALEB | hebrew | bold | male |
| Caleb | Hebrew | Bold | male |
| CALEY | gaelic | slender | male |
| Caley | Irish | Slender | male |
| Caley | Scottish | Contemporary variant of Cailean Child. | male |
| Calfhierde | English | Shepherd | male |
| CALHOUN | gaelic | from the narrow forest | male |
| Calhoun | Irish | From the narrow forest. Surname. | male |
| Calibom | Arthurian Legend | Various names for Arthur's sword | male |
| Calibome | Arthurian Legend | Various names for Arthur's sword | male |
| Calibor | Arthurian Legend | Various names for Arthur's sword | male |
| Calibum | Arthurian Legend | Various names for Arthur's sword | male |
| Calibumus | Arthurian Legend | Various names for Arthur's sword | male |
| CALIBURN | arthurian | various names for Arthur's sword | male |
| Calidan | Greek | "Alternate Spelling of: Calydon, Caledon." | male |
| CALIN | romanian | meaning unknown | male |
| Calix | Greek | "Very Handsome, Chalise." | male |
| Callaghan | Irish | Strife | male |
| Callahan | Irish | Surname. | male |
| Calldwr | English | Cold brook | male |
| Callel | Unknown | | male |
| CALLES | arthurian | meaning unknown | male |
| Callough | Irish | Bald | male |
| Callum | Scottish | Bald dove | male |
| CALOGRENANT | arthurian | a knight (twelfth century) | male |
| Calogrenant | Arthurian Legend | A knight | male |
| CALUM | celtic | dove | male |
| CALUM | gaelic | servant of Saint Columba | male |
| Calum | Celtic | Dove | male |
| Calvagh | Irish | Bald | male |
| CALVERT | english | shepherd | male |
| Calvert | English | Cowherd: cowboy. | male |
| Calvex | English | Shepherd | male |
| CALVINO | italian | bald | male |
| Calvino | Spanish | Bald | male |
| Caly | Irish | Slender | male |
| Cam | Scottish | Crooked or crooked mouth | male |
| CAMARA | Africa | A West African male name meaning "teacher." | male |
| CAMBER | english | myth name | male |
| Cambeul | Scottish | Crooked mouth | male |
| Camdan | Scottish | From the winding valley | male |
| CAMDEN | anglo | from the winding valley | male |
| CAMDEN | gaelic | from the crooked valley | male |
| Camden | Scottish | From the winding valley | male |
| Camden | Anglo-Saxon | From the winding valley | male |
| Camdene | Anglo-Saxon | From the winding valley | male |
| Camdin | Scottish | From the winding valley | male |
| Camdyn | Scottish | From the winding valley | male |
| Camelon | Arthurian Legend | Site of Arthur's last battle | male |
| Camero | Celtic | Crooked nose | male |
| CAMERON | celtic | crooked nose | male |
| CAMERON | gaelic | crooked nose | male |
| Cameron | Celtic | Crooked nose. Nickname of a Highland chieftain with a crooked nose. | male |
| Cameron | Scottish | Crooked nose. Nickname of a Highland chieftain with a crooked nose. | male |
| Camey | Celtic | Crooked nose | male |
| Camhlaidh | Scottish | Relic | male |
| CAMLANN | arthurian | site of Arthur's last battle | male |
| Camlann | Arthurian Legend | Site of Arthur's last battle | male |
| Camp | Scottish | Crooked mouth | male |
| CAMPBELL | french | from the beautiful field | male |
| CAMPBELL | gaelic | crooked mouth | male |
| Campbell | French | From the beautiful field | male |
| Campbell | Scottish | Crooked mouth | male |
| Camren | Irish | Crooked Nose. | male |
| Camron | Scottish | Variant of Cameron bent nose. | male |
| Camshron | Scottish | Crooked nose | male |
| CANH | vietnamese | scenery; environment; something that spreads out limitlessly, supports life, is colorful with trees, grass, flowers and fruit. | male |
| Canice | Irish | Handsome | male |
| CAOIMHGHIN | celtic | gentle | male |
| Caoimhghin | Celtic | Gentle | male |
| CAOLABHUINN | gaelic | from the narrow river | male |
| Caolaidhe | Irish | Slender | male |
| Caolan | Irish | Slender | male |
| Caomh | Irish | Lovable | male |
| CAPANEUS | greek | myth name (one of the attackers against Thebes) | male |
| CAPEK | czechoslovakian | little stork | male |
| Car | Celtic | Fighter | male |
| Caradawc | Arthurian Legend | Son of Bran | male |
| CARADOC | arthurian | son of Bran | male |
| CARADOC | celtic | dearly loved | male |
| Caradoc | Arthurian Legend | Son of Bran | male |
| Caradoc | Celtic | Dearly loved | male |
| Caraidland | Scottish | From the land between the streams | male |
| Carbry | Celtic | Charioteer | male |
| CARDEW | celtic | from the black fort | male |
| Cardew | Celtic | From the black fort | male |
| Carel | French | Strong | male |
| CARELTON | english | from Carl's farm | male |
| CAREW | celtic | from the fortress | male |
| Carew | Celtic | From the fortress | male |
| Carey | Celtic | From the fortress | male |
| Carey | Irish | Of the dark ones. | male |
| Carl | English | a man | male |
| Carl | German | Variant of Charles a man. | male |
| Carlaisa | Unknown | | male |
| Carlatun | English | From Carl's farm | male |
| Carleton | English | Variant of Carlton free men's town. | male |
| CARLIN | gaelic | small champion | male |
| Carlin | Irish | Little champion | male |
| Carlin | German | a man. | male |
| CARLISLE | english | from the walled city | male |
| Carlisle | English | From the walled City | male |
| CARLO | italian | manly | male |
| Carlo | French | Strong | male |
| Carlomagno | Spanish | Charles the Great | male |
| Carlos | French | Strong | male |
| Carlos | Spanish | Manly | male |
| Carlson | English | Variant of Carlton free men's town. | male |
| Carlton | Scottish | From the land between the streams | male |
| Carlton | English | Free men's town. | male |
| Carlyle | English | From the walled City | male |
| CARMEL | hebrew | garden | male |
| Carmel | Hebrew | Garden | male |
| CARMELIDE | arthurian | Guinevere's father (thirteenth century) | male |
| Carmelide | Arthurian Legend | Guinevere's father | male |
| Carmelo | Hebrew | Fruitful orchard. Refers to Mount Carmel in Palestine. | male |
| CARMI | hebrew | vine dresser | male |
| Carmi | Hebrew | Vine dresser | male |
| CARMICHAEL | gaelic | friend of Saint Michael | male |
| Carmichael | Scottish | Friend of Saint Michael | male |
| Carmine | Hebrew | Vine dresser | male |
| Carmontieh | Unknown | From the gift of God. | male |
| Carnell | English | Defender of the castle. | male |
| CARNEY | celtic | fighter | male |
| CARNEY | gaelic | victorious | male |
| Carney | Celtic | Fighter | male |
| Carney | Irish | Victorious | male |
| CAROLOS | french | strong | male |
| Carolos | French | Strong | male |
| Carolus | French | Strong | male |
| Carr | Celtic | Fighter | male |
| Carr | Scottish | From the broken mossy ground | male |
| CARRADO | arthurian | a knight | male |
| Carrado | Arthurian Legend | A knight | male |
| Carraig | Irish | From the rocky headland | male |
| CARRICK | gaelic | rocky headland | male |
| Carrick | Irish | From the rocky headland | male |
| Carrington | Celtic | Place name and surname. | male |
| Carrington | English | Place name and surname. | male |
| CARROL | celtic | champion | male |
| Carrol | Celtic | Champion | male |
| CARROLL | gaelic | champion | male |
| Carroll | Celtic | Champion | male |
| Carroll | Irish | Manly | male |
| CARSON | english | son of Carr | male |
| Carson | Scottish | Surname. | male |
| Carson | English | Son of Carr | male |
| CARSWELL | english | lives at the watercress spring | male |
| Carswell | English | Lives at the watercress spring | male |
| CARTER | english | drives a cart | male |
| Carter | English | Drives a cart | male |
| Cartere | English | Drives a cart | male |
| Carthach | Irish | Loving | male |
| Carthage | Irish | Loving | male |
| CARTLAND | english | from the land between the streams | male |
| Cartland | English | From the land between the streams | male |
| Carvel | English | From the villa by the march | male |
| CARVELL | english | from the villa by the march | male |
| Carvell | French | Spearman's estate or marshy estate | male |
| Carvell | English | From the villa by the march | male |
| CARVER | english | carves wood or sculpts | male |
| Carver | English | Carves wood or sculpts | male |
| Cary | Celtic | From the fortress | male |
| Cary | Irish | Of the dark ones. | male |
| Case | Irish | Variant of Casey Alert: vigorous. | male |
| Casen | Unknown | Alternate Spelling: Cason. | male |
| CASEY | celtic | brave | male |
| CASEY | gaelic | brave | male |
| Casey | Celtic | Brave | male |
| Casey | Irish | Alert: vigorous. | male |
| Cashel | Irish | From Cashel | male |
| Casimiro | Spanish | Peaceful | male |
| Casper | Unknown | "Friendly, childlike, helpful" | male |
| Cass | Irish | Curly-headed. | male |
| Cassian | Irish | Curly-headed. | male |
| CASSIBELLAUNUS | english | myth name | male |
| CASSIDY | gaelic | clever | male |
| Cassidy | Irish | Curly-headed. Surname. | male |
| CASSIVELLAUNUS | celtic | Arthurian myth name | male |
| Cassivellaunus | Celtic | From Arthurian legend | male |
| CASTER | english | from the Roman camp | male |
| Caster | English | From the Roman camp | male |
| CASTOR | greek | myth name (brother of Helen) | male |
| Caswallan | Celtic | From Arthurian legend | male |
| Cat | Scottish | Catlike | male |
| CATALIN | romanian | pure | male |
| Cath | Arthurian Legend | Name of a monster | male |
| Cathair | Celtic | Fighter | male |
| Cathair | Scottish | From the broken mossy ground | male |
| CATHAL | celtic | strong in battle | male |
| Cathal | Celtic | Strong in battle | male |
| Cathal | Irish | Battle strong | male |
| Cathaoir | Celtic | Fighter | male |
| Cathaoir | Irish | Wamor | male |
| CATHBAD | celtic | meaning unknown | male |
| CATHMOR | gaelic | great warrior | male |
| Cathmor | Irish | Great fighter | male |
| Cathmore | Irish | Great fighter | male |
| Catrell | Unknown | | male |
| CATTERICK | arthurian | name of a battle | male |
| Catterick | Arthurian Legend | Name of a battle | male |
| Catterik | Arthurian Legend | Name of a battle | male |
| Cauley | Scottish | Relic | male |
| CAVALON | arthurian | name of a king | male |
| Cavalon | Arthurian Legend | Name of a king | male |