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 |
|---|---|---|---|
| 36,900 | INTRIAGO | 605 | — |
| 37,029 | ION | 603 | — |
| 37,029 | IRONSIDE | 603 | — |
| 37,076 | IRLBECK | 602 | — |
| 37,125 | IPSEN | 601 | — |
| 37,229 | ISIDORE | 599 | — |
| 37,341 | ISAACKS | 597 | — |
| 37,341 | ITANI | 597 | — |
| 37,848 | IAMS | 587 | — |
| 37,955 | ISAKOV | 585 | — |
| 38,214 | IJAZ | 580 | — |
| 38,332 | IMIG | 578 | — |
| 38,332 | IVANOFF | 578 | — |
| 38,582 | IANNIELLO | 573 | — |
| 38,582 | IWANICKI | 573 | — |