Achternamen
| Achternaam | Aantal |
|---|---|
| Iseghem, van | 1 |
| Isenborghs | 2 |
| Isenhut | 1 |
| Iser | 4 |
| Iserief | 2 |
| Iserman | 1 |
| Ishoven, van | 1 |
| Isnardi | 1 |
| Ispelen, van | 1 |
| Issard | 1 |
| Issum, van | 2 |
| Istas | 3 |
| Iterson | 1 |
| Iterson, van | 3 |
| Itjin | 1 |
| Itsers | 1 |
| Ivan | 1 |
| Iven | 4 |
| Ivens | 8 |
| Ivits | 1 |
| Iwanc | 1 |
| Izeboud | 1 |
| Izlakar | 1 |