Surnames · I
Surname frequency based on U.S. Census Bureau surname data. Rank 1 is the most common surname in the imported Census file.
| Rank | Surname | Count | Rarity |
|---|---|---|---|
| 76,533 | ILLUZZI | 251 | — |
| 76,768 | ISBERG | 250 | — |
| 77,012 | INGER | 249 | — |
| 77,264 | IBARRIA | 248 | — |
| 77,264 | INADA | 248 | — |
| 77,264 | INSOGNA | 248 | — |
| 77,522 | INN | 247 | — |
| 77,522 | ISERMAN | 247 | — |
| 77,522 | IULIUCCI | 247 | — |
| 77,788 | IANNAZZO | 246 | — |
| 78,040 | IACOVINO | 245 | — |
| 78,040 | IANIRO | 245 | — |
| 78,040 | INGEBRETSEN | 245 | — |
| 78,040 | IOSUE | 245 | — |
| 78,040 | IRIS | 245 | — |