Achternamen
| Achternaam | Aantal |
|---|---|
| Louisse | 9 |
| Louist | 2 |
| Louman | 1 |
| Loup | 4 |
| Loupias | 5 |
| Louppe | 1 |
| Louppen | 4 |
| Lourdaux | 1 |
| Lourens | 8 |
| Lourensen | 1 |
| Lourenssen | 1 |
| Lourijsen | 1 |
| Lousberg | 82 |
| Louson | 1 |
| Louter | 2 |
| Louven | 2 |
| Louvenberg | 15 |
| Louvet | 1 |
| Louvigny | 2 |
| Louw, de | 14 |
| Louw, van der | 3 |
| Louwaege | 1 |
| Louwagie | 1 |
| Louwarts | 7 |
| Louwe | 2 |