| CAROLINGIEN, Irmingarde Ermengarde | | B. 850 | | D. 10 NOV 901 |
| CAROLINGIENS, Pippin "the Hunchback" | | B. 769 | | |
| CARTER, Ann | | B. 21 SEP 1711 | | D. 1801 |
| CASTLE, Adalric Pelles Pellinore of Corbenic | | B. ABT 532 | | D. ABT 570 |
| CASWALLON, Cadwell Ap | | | | |
| CATHAIR, Rossa Ingen | | B. 449 | | D. 515 |
| CATO, Marcus Porcius | | B. ABT 130 BC | | D. ABT 91 BC |
| CATO UTICENSIS, Marcus Porcius 'The Younger' | | B. 95 BC | | D. 46 BC |
| CATTERSON, Elizabeth | | B. 10 AUG 1889 | | D. 14 JAN 1981 |
| CATUVELLAUNI, Cyllin ap Caradoc Prince of Britain | | B. ABT 60 | | |
| CATUVELLAUNI, Cyllin ap Caradoc Prince of Britain | | B. ABT 60 | | |
| CATUVELLAUNI, Ystdrawl | | B. 94 | | |
| CAUDEX, Appius Claudius | | | | D. AFT 264 BC |
| CAUS, Joanne | | | | |
| CAWEDA, Cadvarch ap | | B. BET 535 AND 560 | | |
| CAWRDA, Maelthu ap | | B. BET 530 AND 560 | | |
| CAWRDA, Tanwn ap | | B. BET 530 AND 560 | | |
| CÉADCATHA, Máoin ingen Cuínn ó Hailil | | B. 132 | | D. 172 |
| CEASAR, Lucius Julius IV of Rome | | B. 3 JUL 102 BC | | D. AFT 40 BC |
| CEASAR AUGUSTUS, Tiberius Julius Emperor of Rome | | B. 16 NOV 42 BC | | |
| CELER, Servius Asinius | | | | |
| CELER, Servius Asinius | | | | |
| CELSINUS, Clodius | | B. 245 | | |
| CELSINUS, Clodius | | B. 185 | | D. 249 |
| CELSINUS, Clodius | | B. 185 | | D. 249 |
| CELSINUS, Clodius Clodius | | | | |
| CELSINUS, Quintus Fabius Clodius Agrippianus | | B. ABT 210 | | D. AFT 249 |
| CELSINUS, Quirinus Fabius Clodius Aggrippianus | | | | D. 249 |
| CENÉL GABRAIN, Eochaid Angbhaid | | B. 685 | | D. 733 |
| CENEU, Unknown Spouse of Maeswig ap | | B. ABT 395 | | D. ABT 490 |