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 |
|---|---|---|---|
| 23,333 | IDDINGS | 1,091 | — |
| 23,472 | ISAIS | 1,083 | — |
| 23,604 | INLOW | 1,075 | — |
| 23,750 | IVANOVA | 1,065 | — |
| 23,852 | IMAI | 1,059 | — |
| 23,920 | ISA | 1,055 | — |
| 23,978 | ISOLA | 1,052 | — |
| 24,031 | INGA | 1,049 | — |
| 24,222 | IRELAN | 1,036 | — |
| 24,665 | ISMAEL | 1,012 | — |
| 24,718 | INFANTINO | 1,009 | — |
| 24,914 | ITURRALDE | 998 | — |
| 25,102 | IWAMOTO | 989 | — |
| 25,255 | ISHAK | 981 | — |
| 25,332 | IRIARTE | 977 | — |