| Name | # Entries |
|---|---|
| Ito Cannon | 0 |
| Itong | 0 |
| Itropico | 0 |
| Ittak | 0 |
| Ittensohn | 1 |
| Itter | 0 |
| Ituarte | 0 |
| Itzerott | 0 |
| Itzhak | 0 |
| Iu | 0 |
| Iuculano | 0 |
| Iudica | 1 |
| Itsikson | 0 |
| Iuliani | 0 |
| Iuliano | 0 |
| Iuliannella | 0 |
| Ivesic | 0 |
| Ivessa | 0 |
| Ive Smith | 0 |
| Ivezich | 0 |
| Ivic | 0 |
| Ivich | 0 |
| Ivicic | 0 |
| Iviglia | 0 |
| Ivicich | 0 |
| Ivimey | 1 |
| Ivimy | 0 |
| Issac | 0 |
| Issai | 0 |
| Issaka | 0 |
| Issanchon | 0 |
| Isse | 2 |
| Isselman | 0 |
| Istvandity | 0 |
| Issis | 0 |
| Istafanous | 0 |
| Istambouli | 0 |
| Istenic | 0 |
| Istiphan | 0 |
| Isztl | 0 |
| Ita | 0 |
| Iacieri | 0 |
| Iaconese | 0 |
| Iacono | 0 |
| I''''a | 0 |
| Iachin | 0 |
| Iacona | 0 |
| Iacusso | 0 |
| Iacoune | 0 |
| Iagnocco | 0 |
| Iain | 1 |
| Iakoubov | 0 |
| Ialacci | 0 |
| Iamarino | 0 |
| Iako | 0 |
| Iamsiri | 0 |
| Ianatti | 0 |
| Iancu | 0 |
| Ianella | 0 |
| Ianera | 0 |
| Iann | 0 |
| Ianna | 0 |
| Iannaccio | 0 |
| Iannacone | 0 |
| Iannarelli | 0 |
| Ianello | 0 |
| Ianitto | 0 |
| Iannitelli | 0 |
| Ianson | 0 |
| Ianniciello | 0 |
| Ianusi | 0 |
| Ianzano | 0 |
| Iapichino | 0 |
| Iksens | 0 |
| Il | 2 |