Achternamen
| Achternaam | Aantal |
|---|---|
| Cupedo | 1 |
| Cupers | 7 |
| Cuperus | 3 |
| Cuppen | 44 |
| Cuppenbender | 3 |
| Cuppens | 22 |
| Cüppers | 8 |
| Cuppes | 1 |
| Curfs | 78 |
| Curiël | 1 |
| Curley | 1 |
| Curvers | 102 |
| Cusin | 1 |
| Cuss | 1 |
| Cussoy | 1 |
| Custers | 274 |
| Custes | 1 |
| Cusumano | 1 |
| Cutsem, van | 2 |
| Cuveele | 2 |
| Cuvelier | 3 |
| Cuyck, van | 2 |
| Cuyckens | 1 |
| Cuyk, van | 1 |
| Cuykens | 1 |