| Name | Insgesamt | Name | Insgesamt |
|---|---|---|---|
| Culmann | 3 | Curioni | 1 |
| Culot | 1 | Curlat | 1 |
| Cumin | 1 | Curo | 1 |
| Cummings | 1 | Curschmann | 1 |
| Cundet | 1 | Curt | 3 |
| Cunet | 1 | Curta | 1 |
| Cunier | 9 | Curtabatt, von | 1 |
| Cunier-Riot | 1 | Curths | 1 |
| Cuniet | 1 | Curti | 46 |
| Cunningham | 1 | Curtilles, de | 1 |
| Cuno | 1 | Curtins | 1 |
| Cunrad | 9 | Curtis | 1 |
| Cuntz | 1 | Curtiss | 1 |
| Cuntze | 1 | Curtius | 2 |
| Cunz | 308 | Curto, Del | 1 |
| Cuonrad (Konrad, Brand, Conrad) | 1 | Curtz (Cortze) | 1 |
| Cuonrad (Konrad, Conrad) | 1 | Cusano | 2 |
| Cuoret | 8 | Cushing | 1 |
| Cuoret (Conrad) | 2 | Cusin | 3 |
| Cuoret (Conrad, Konrad) | 1 | Custer | 2 |
| Cuoret (Curet) | 1 | Custer (Custor, Custur) | 1 |
| Curati | 1 | Cuttat | 1 |
| Curbé | 1 | Cuturi | 1 |
| Curbré | 2 | Cynowa | 1 |
| Curchod | 17 | Cyprian | 1 |
| Curie | 3 | Cysat | 2 |
| Curike | 1 | Czeicke | 5 |
| Curio | 41 | Czudnokowsky | 1 |
| Curiona | 1 | Czudnokowsy | 1 |