Achternamen
| Achternaam | Aantal |
|---|---|
| Jonkhout | 25 |
| Jonkman | 3 |
| Jonkmans | 1 |
| Jonscher | 1 |
| Jonxis | 1 |
| Joode, de | 2 |
| Joolen | 1 |
| Joon | 1 |
| Joordens | 6 |
| Joore | 3 |
| Jooren | 6 |
| Jooris | 3 |
| Joors | 1 |
| Joos | 8 |
| Joosen | 9 |
| Joossen | 1 |
| Joosten | 413 |
| Jop | 1 |
| Jopen | 1 |
| Joppen | 9 |
| Jorber | 1 |
| Jordaan | 1 |
| Jordan | 5 |
| Jordans | 4 |
| Jordens | 16 |