| CABARET | ||
| CADÉE | -> | CADET |
| CADET | ||
| CADEY | -> | CADET |
| CAHIN | ||
| CAILLOIT | -> | CAILLOÜET |
| CAILLOÜET | ||
| CAIN | ||
| CAINNE | -> | CAIN |
| CANLAY | ||
| CATAULT | ||
| CATOST | -> | CATAULT |
| CHAILLOT | ||
| CHANTEREAU | ||
| CHARLOTTE | ||
| CHARONATTE | ||
| CHARTON | ||
| CHASTELIN | -> | CHASTELLAIN |
| CHASTELLAIN | ||
| CHEMAT | ||
| CHEURIER | ||
| CHRESTIENNE | ||
| CLER | -> | LECLERC |
| CLERC | -> | LECLERC |
| COLLARD | ||
| COLLERON | ||
| COLSON | ||
| CORNUAT | ||
| CORPEL | ||
| CORPELLE | -> | CORPEL |
| CORPETTE | -> | CORPEL |
| CORTERETTE | ||
| COURCELLE | -> | DE COURSELLE |
| COUSIN | ||
| COUTURIER | ||
| CUGNY | ||
| CUISSOT |