Achternamen
| Achternaam | Aantal |
|---|---|
| Juchems | 1 |
| Jückers | 1 |
| Jude | 1 |
| Judith | 1 |
| Juditzki | 1 |
| Judong | 4 |
| Juffermans | 7 |
| Jugo | 1 |
| Julicher | 23 |
| Jülichs | 1 |
| Julien | 2 |
| Jumpertz | 7 |
| Junck | 1 |
| Juneman | 3 |
| Jung | 7 |
| Jungbauer | 1 |
| Jungblut | 12 |
| Jungbluth | 2 |
| Jungels | 1 |
| Jungen | 10 |
| Junger | 3 |
| Jungerhans | 2 |
| Junggeburt | 5 |
| Junggeburth | 3 |
| Jungman | 1 |