| CIANNACHTA, Cenn Mac Cenn Faelad of | | B. ABT 635 | | D. 662 |
| CIANNACHTA, Cormac Gaileng Mac Taidhg | | B. ABT 310 | | |
| CIANNACHTA, Dubthach mac Bresal | | B. ABT 410 | | |
| CIANNACHTA, Sinusa | | B. 640 | | |
| CILICIA, Julia | | | | |
| CINAITHIN, Aengus | | B. ABT 402 | | |
| CINATHRACK, Aengus | | B. 396 | | |
| CINNANACHTA, Unknown Spouse of. Gerthide mac Cronan | | B. ABT 550 | | |
| CISLER, Elisebeth Ellen | | B. 1 DEC 1869 | | |
| CLAUDIA OF ROME, Venissa Venus Julia Augusta - Princess of Roman Empire | | B. ABT 15 | | D. 50 |
| CLAUDIANUS, Marcus Livius Drusus Pulcher | | B. BEF 93 BC | | D. 24 JUN 42 BC |
| CLAUDII, Claudia Vettia Agrippina | | B. 170 | | |
| CLAUDII, Titius Claudius Agrippinus | | | | |
| CLAUDII, Titius Claudius Dryantianus | | | | |
| CLAUDII, Titius Claudius Dryantianus Antoninus | | B. 130 | | D. 175 |
| CLAUDIUS, Appius | | | | D. 349 BC |
| CLAUDIUS, Boionia Procilla Servilia | | B. 50 | | |
| CLAUDIUS, Claudia Antonia Lepida | | B. 128 | | D. 185 |
| CLAUDIUS, Claudia Frontoniana | | B. ABT 135 | | |
| CLAUDIUS, Genuissa Venssa Claudia Germanicus Queen Of Siluria | | | | |
| CLAUDIUS, Klaudia Philippea II | | B. 110 | | D. 150 |
| CLAUDIUS, Themistoclea of Melite | | B. ABT 130 | | |
| CLAUSUS, Marcus | | B. 560 BC | | D. 493 BC |
| CLEMENS, Lerah Catherine | | B. 3 NOV 1862 | | D. 4 MAR 1900 |
| CLEMMENS, Ada Ann "Annie" | | B. ABT 1867 | | D. ABT OCT 1886 |
| CLEMMENS, David | | B. 27 OCT 1836 | | D. 4 OCT 1877 |
| CLEMMENS, David Edward | | B. 12 MAR 1878 | | D. 28 JUL 1958 |
| CLEMMENS, Halley Vincen | | B. 11 JAN 1910 | | D. 25 FEB 1982 |
| CLEMMENS, Ida Alice | | B. 2 MAR 1874 | | D. 26 SEP 1938 |
| CLEMMENS, James M. | | B. 31 JAN 1865 | | D. 15 AUG 1888 |