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 |
|---|---|---|---|
| 55,741 | IWAN | 368 | — |
| 55,841 | ISGRO | 367 | — |
| 55,962 | IAQUINTO | 366 | — |
| 55,962 | INABINETT | 366 | — |
| 55,962 | INNAMORATO | 366 | — |
| 56,073 | IHA | 365 | — |
| 56,310 | IRESON | 363 | — |
| 56,588 | INSKO | 361 | — |
| 56,836 | IHM | 359 | — |
| 57,101 | IMHOLTE | 357 | — |
| 57,234 | ILLA | 356 | — |
| 57,234 | INABNIT | 356 | — |
| 57,234 | ITKIN | 356 | — |
| 57,516 | INGEMI | 354 | — |
| 57,639 | IRINEO | 353 | — |