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 |
|---|---|---|---|
| 19,296 | ISIDORO | 1,403 | — |
| 19,425 | INOUE | 1,391 | — |
| 19,456 | IRIGOYEN | 1,389 | — |
| 19,731 | ISAKSON | 1,365 | — |
| 19,782 | INNISS | 1,360 | — |
| 20,099 | ISSAC | 1,329 | — |
| 20,165 | ILIFF | 1,323 | — |
| 20,172 | ISHIDA | 1,322 | — |
| 20,421 | IOVINO | 1,301 | — |
| 20,468 | IANNUZZI | 1,297 | — |
| 20,491 | IMRAN | 1,295 | — |
| 20,727 | INES | 1,276 | — |
| 21,251 | IMHOF | 1,234 | — |
| 21,495 | IANNUCCI | 1,215 | — |
| 21,609 | INOA | 1,207 | — |