| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Macedo | 1 | Martiny | 5 | Meester(e), de | 1 | Molyneux | 2 | Müller | 30 |
| Maenaert | 1 | Masschaele | 1 | Meester, de | 123 | Mons, de | 3 | Muno | 22 |
| Magritte | 1 | Masure | 2 | Meestere, de | 2 | Montdidier, de | 1 | Musnier | 1 |
| Marasse | 1 | Matheus | 1 | Méniel | 1 | Motorange | 1 | - | - |
| Marck von Babenberg, de La | 1 | Mathieu | 1 | Meulebrouck | 1 | Motte, de La | 1 | - | - |
| Marichal, Le | 2 | Maus | 1 | Milican | 4 | Moulaert | 3 | - | - |
| Marlé | 1 | Mech | 1 | Möller | 1 | Moyaert | 2 | - | - |