Achternamen
| Achternaam | Aantal |
|---|---|
| Consael | 1 |
| Consemulder | 12 |
| Constance | 1 |
| Consten | 60 |
| Contin | 1 |
| Contzen | 4 |
| Convens | 2 |
| Convents | 5 |
| Coo, de | 1 |
| Cooijmans | 6 |
| Cooimans | 1 |
| Cool | 5 |
| Coole | 2 |
| Coolegem | 2 |
| Cooleman | 1 |
| Coolen | 256 |
| Cools | 59 |
| Coolsen | 2 |
| Coolsma | 1 |
| Coolwijk, van | 1 |
| Coolwijk, van de | 3 |
| Cooman, de | 4 |
| Coomans | 9 |
| Coone | 3 |
| Coonen | 58 |