| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cecil | SEE-səl, SES-əl | English | ||
| Cecilia | sə-SEE-lee-ə (English), sə-SEEL-yə (English), che-CHEE-lyah (Italian), the-THEE-lyah (Spanish), se-SEE-lyah (Latin American Spanish), se-SEEL-yah (Danish, Norwegian), SE-see-lee-ah (Finnish) | English, Italian, Spanish, Swedish, Danish, Norwegian, Finnish, Dutch, German | ||
| Cecily | SES-i-lee | English | ||
| Cedar | SEE-dər | English (Rare) | ||
| Cedric | SED-rik | English | ||
| Celandine | SEL-ən-deen | English (Rare) | ||
| Celeste | che-LE-ste (Italian), sə-LEST (English) | Italian, English | ||
| Celestine | SEL-əs-teen | English | ||
| Celia | SEEL-yə (English), SEE-lee-ə (English), THE-lyah (Spanish), SE-lyah (Latin American Spanish), CHE-lyah (Italian) | English, Spanish, Italian | ||
| Celinda | sə-LIN-də | English (Rare) | ||
| Chad | CHAD | English | ||
| Chadwick | CHAD-wik | English | ||
| Chalice | CHAL-is | English (Rare) | ||
| Chance | CHANTS | English | ||
| Chandler | CHAND-lər | English |