Achternamen
| Achternaam | Aantal |
|---|---|
| Cortselius | 1 |
| Cortvriend | 1 |
| Cortvriendt | 3 |
| Corven, van | 1 |
| Corver | 2 |
| Cörvers | 97 |
| Coryn | 2 |
| Coseman | 1 |
| Cosemans | 47 |
| Cosiolkofskij | 1 |
| Cosman | 1 |
| Cossembronne | 1 |
| Costa, da | 1 |
| Coster | 1 |
| Coster, de | 9 |
| Costere, de | 1 |
| Costers | 2 |
| Costongs | 15 |
| Coterlet, van de | 1 |
| Coteur | 2 |
| Cotman | 1 |
| Cottenie | 1 |
| Cottry | 1 |
| Couckhuyt | 1 |
| Couckuyt | 1 |