Achternamen
| Achternaam | Aantal |
|---|---|
| Claassens | 52 |
| Clabbers | 16 |
| Claehsen | 1 |
| Claereboets | 3 |
| Claeren | 2 |
| Claes | 64 |
| Claesen | 11 |
| Claesens | 1 |
| Claeskens | 1 |
| Claessen | 413 |
| Claessens | 394 |
| Claesssens | 1 |
| Claeys | 16 |
| Claezen | 1 |
| Clahsen | 5 |
| Claikens | 2 |
| Clairbois | 4 |
| Clairfaijs | 1 |
| Clapdorp, van | 1 |
| Clapéron | 1 |
| Clarbois | 3 |
| Clarebout | 1 |
| Claren | 1 |
| Clarijs | 8 |
| Clarisse | 2 |