| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Jacobi | 1 | Joesten | 1 |
| Jacobs | 31 | Jonckers | 1 |
| Jacobs | Janssen | 1 | Jonger, de | 1 |
| Jacobus | 1 | Jongers | 9 |
| Jacops | 9 | Jonghers | 3 |
| Jaegers | 1 | Jonkers | 3 |
| Jannes | 6 | Joordens | 4 |
| Jannis | 5 | Joosten | 9 |
| Jans | 46 | Jordans | 7 |
| Jansen | 21 | Jordens | 17 |
| Jansens | 1 | Jordens | van de Vrandt | 1 |
| Janssen | 87 | Jordenssen | 1 |
| Janssens | 1 | Joris | 2 |
| Jaspaers | 1 | Jorissen | 1 |
| Jaspars | 1 | Josephs | 1 |
| Jaspers | 8 | Josephus | 1 |
| Jeucken | 4 | Judoci | 1 |
| Joannis | 1 | Junger, de | 1 |
| Jochems | 1 | - | - |