| Name | Insgesamt | Name | Insgesamt |
|---|---|---|---|
| Cully | 1 | Curlat | 1 |
| Culmann | 3 | Curo | 1 |
| Culot | 1 | Curschmann | 1 |
| Cumin | 1 | Curt | 3 |
| Cummings | 1 | Curta | 1 |
| Cundet | 1 | Curtabatt, von | 1 |
| Cunet | 1 | Curths | 1 |
| Cunier | 9 | Curti | 46 |
| Cunier-Riot | 1 | Curtilles, de | 1 |
| Cuniet | 1 | Curtins | 1 |
| Cunningham | 1 | Curtis | 1 |
| Cuno | 1 | Curtiss | 1 |
| Cunrad | 9 | Curtius | 2 |
| Cuntz | 1 | Curto, Del | 1 |
| Cuntze | 1 | Curtz (Cortze) | 1 |
| Cunz | 308 | Cusano | 2 |
| Cunzi | 1 | Cusenens, de | 2 |
| Cuonrad (Konrad, Brand, Conrad) | 1 | Cushing | 1 |
| Cuonrad (Konrad, Conrad) | 1 | Cusin | 12 |
| Cuorat | 1 | Cusinens, de | 1 |
| Cuoret | 8 | Cust | 1 |
| Cuoret (Conrad) | 2 | Custer | 3 |
| Cuoret (Conrad, Konrad) | 1 | Custer (Custor, Custur) | 1 |
| Cuoret (Curet) | 1 | Cuttat | 1 |
| Cupif | 2 | Cuturi | 1 |
| Curati | 1 | Cutütsch | 1 |
| Curbé | 1 | Cynowa | 1 |
| Curbré | 2 | Cyprian | 1 |
| Curchod | 18 | Cysat | 2 |
| Curie | 3 | Czeicke | 5 |
| Curike | 1 | Czörnig-Czernhausen, von | 1 |
| Curio | 42 | Czudnokowsky | 1 |
| Curiona | 1 | Czudnokowsy | 1 |
| Curioni | 1 | Cœur | 1 |