| Cyprian | Polish | From the Latin Cyprius, which is de.. |  |  |
| Cyprien | French | From the Latin Cyprius, which is fr.. | | |
| Cyril | English | From the Late Latin Cyrillus, a d.. |  | |
| Cyril | Irish | Derived from the Late Latin Cyrillu.. | | |
| Cyril | Welsh | A borrowing from the English, Cyril.. | | |
| Cyrille | French | Borne by both males and females, Cy.. | | |
| Cyrilo | Portuguese | Derived from the Late Latin Cyrillu.. | | |
| Cyrus | Biblical | Derived from the Old Persian kurush.. | | |
| Cyrus | English | Derived from the Greek Kyros, which.. | | |
| Cyrus | Hebrew | Derived from the Old Persian kurush.. | | |
| Cyrus | Persian | "Sun." Cyrus the Great, the first k.. | | |
| Cyryl | Polish | From the Late Latin Cyrillus, a der.. |  | |
| Cystenian | Welsh | Welsh form of Constantine, a name d.. | | |
| Czcibor | Polish | Compound name composed from the Sla.. | | |
| Czeslaw | Polish | Popular compound name composed from.. | | |
