Achternamen
| Achternaam | Aantal |
|---|---|
| Longrée | 1 |
| Lonis | 7 |
| Lonissen | 13 |
| Lonkhuijzen, van | 2 |
| Lonkhuyzen, van | 1 |
| Lonneux | 3 |
| Lönnissen | 1 |
| Lonnoy | 2 |
| Lonsdorfer | 1 |
| Lonussen | 8 |
| Lony | 6 |
| Loo | 38 |
| Loo, de | 23 |
| Loo, te | 2 |
| Loo, van | 125 |
| Loo, van de | 43 |
| Loo, van der | 57 |
| Loobeek | 1 |
| Loock | 9 |
| Loock, van | 1 |
| Loocke, van | 1 |
| Loocks | 1 |
| Loof | 2 |
| Loof, de | 1 |
| Looffen | 9 |