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| Name | Meaning | Gender | Origin |
| Colbert | famous sea-farer | M | English |
| Colby | Dark Haired | E | English |
| Cole | From the name NICHOLAS | M | Celtic/Gaelic |
| Colette | From the name NICOLE | F | French |
| Coletun | From the dark town. | M | English |
| Coley | Variant of Nicholas 'people's victory.'. | M | English |
| Colfre | Dove. | M | English |
| Colhoun | Variant of Calhoun: Small forest. | M | Irish |
| Colhozeh | Every prophet. | M | Biblical |
| Coligny | From COLOGNE | F | French |
| Colin | Child/ Also form of NICHOLAS | M | English |
| Colista | Most Beautiful | F | Greek |
| Colleen | Irish Girl | F | Celtic/Gaelic |
| Colley | black haired; swarthy | M | English |
| Collice | Form of COLLEEN | F | Celtic/Gaelic |
| Collier | Miner | M | English |
| Collin | From the name COLIN | M | English |
| Collins | son of Colin | M | Greek |
| Colm | Dove | M | Celtic/Gaelic |
| Colman | Little Dove | M | English |
| Colson | son of Nicholas | M | Greek/ English |
| Colton | Coal Town | M | English |
| Colum | Dove | M | Celtic/Gaelic |
| Columbia | A Dove | F | Latin |
| Columbine | Feminine form of Columba: Dove. Famous bearer: 6th century Irish abbot and missionary St Columba converted the inhabitants of Scotland and northern England to Christianity. | F | Latin |
| Columbus | dove | M | Latin |
| Colvyr | Dove. | M | English |
| Coman | Bent. | M | Irish |
| Comdhan | Variant of Comhghan: Twin. | M | Irish |
| Comfort | To Strengthen Greatly | F | English |
| Comforte | Strength. | F | French |
| Comhghall | Hostage. | M | Irish |
| Comhghan | Twin. | M | Gaelic |
| Conall | high/ mighty | M | Irish |
| Conan | Wise | M | Celtic/Gaelic |
| Conary | Wise Man | E | Celtic/Gaelic |
| Concetta | pure | F | Italian |
| Conchita | conception | F | Spanish |
| Concordia | harmonious | F | Latin |
| Cong | Intelligent/ Clever | E | Chinese |
| Conlan | Hero | M | Celtic/Gaelic |
| Conley | Hero | M | Celtic/Gaelic |
| Conner | Wise | M | Celtic/Gaelic |
| Connie | From the name CONSTANCE | E | English |
| Connley | Hero | M | Celtic/Gaelic |
| Connor | Much wanted/ strong willed | M | Celtic/Gaelic |
| Conor | Much wanted | M | Celtic/Gaelic |
| Conrad | Bold/ Wise Counselor | M | German |
| Conroy | Wise Man | M | Celtic/Gaelic |
| Constance | Constant | F | English |