Achternamen
| Achternaam | Aantal |
|---|---|
| Ja | 1 |
| Jaaltink | 5 |
| Jaarsveld | 1 |
| Jaarsveld, van | 2 |
| Jaartsveld | 1 |
| Jabben | 1 |
| Jablonski | 2 |
| Jacenuiy | 1 |
| Jacet | 1 |
| Jacetti | 1 |
| Jachimczyk | 1 |
| Jacinta | 1 |
| Jackers | 6 |
| Jackmaert | 1 |
| Jackson | 1 |
| Jaco | 1 |
| Jacob | 12 |
| Jacobi | 26 |
| Jacobin | 1 |
| Jacobs | 1024 |
| Jacobse | 1 |
| Jacobsz | 1 |
| Jacobus | 1 |
| Jacobussen | 1 |
| Jacomie | 1 |