Achternamen
| Achternaam | Aantal |
|---|---|
| Inthouedt, van | 1 |
| Inthout, van | 1 |
| Intrau | 1 |
| Intven | 2 |
| Iorio | 1 |
| Iperen, van | 2 |
| Irijanan | 2 |
| Irijnan | 1 |
| Irlacher | 1 |
| Irmen | 1 |
| Irnody | 1 |
| Iroz | 1 |
| Irrmischer | 1 |
| Irsch | 1 |
| Irsen, van | 2 |
| Isakh | 1 |
| Isbled | 1 |
| Iseghem, van | 1 |
| Isenborghs | 1 |
| Isenhut | 1 |
| Iser | 2 |
| Iserief | 2 |
| Iserman | 1 |
| Ishoven, van | 1 |
| Isnardi | 1 |