Achternamen
| Achternaam | Aantal |
|---|---|
| Costongs | 15 |
| Coterlet, van de | 1 |
| Coteur | 2 |
| Cotman | 1 |
| Cotte, van de | 1 |
| Cottenie | 1 |
| Cottry | 1 |
| Couckhuyt | 1 |
| Couckuyt | 1 |
| Coudré | 1 |
| Coudron | 1 |
| Coul, op de | 17 |
| Coulen | 15 |
| Coulier | 5 |
| Couman | 1 |
| Coumans | 349 |
| Coun | 20 |
| Coune | 1 |
| Counen | 5 |
| Counet | 2 |
| Counotte | 7 |
| Coup | 1 |
| Couperus | 1 |
| Courage | 31 |
| Courbois | 2 |