Letter I Boy Baby Names 2026
Isaac, Isaiah, and Ian top the list for 'I' initial boy names.
| Name | Number of Births |
|---|---|
| Isaac | 5,953 |
| Isaiah | 5,267 |
| Ian | 3,924 |
| Ivan | 2,240 |
| Ismael | 1,307 |
| Israel | 1,081 |
| Ibrahim | 939 |
| Iker | 815 |
| Isaias | 755 |
| Izaiah | 439 |
| Idris | 391 |
| Izael | 336 |
| Ira | 301 |
| Ignacio | 298 |
| Izan | 269 |
| Ishaan | 266 |
| Issac | 258 |
| Isa | 253 |
| Imran | 237 |
| Isael | 231 |
| Ivaan | 215 |
| Ismail | 204 |
| Ilyas | 200 |
| Isai | 186 |
| Immanuel | 168 |
| Ivar | 133 |
| Iverson | 129 |
| Ilan | 124 |
| Ishmael | 121 |
| Isiah | 120 |
| Indigo | 113 |
| Ignatius | 100 |
| Iam | 98 |
| Issa | 98 |
| Irving | 90 |
| Izayah | 90 |
| Iman | 89 |
| Isidro | 88 |
| Ishan | 84 |
| Irvin | 80 |
| Izhaan | 79 |
| Iver | 66 |
| Ilias | 60 |
| Indiana | 60 |
| Indy | 58 |
| Ilian | 57 |
| Idrees | 56 |
| Ilia | 56 |
| Izrael | 56 |
| Ike | 55 |
According to the provided data for 2025, Isaac stands out as the most popular boy baby name starting with the letter I in the United States, with a significant 5,953 births. Following closely in popularity are Isaiah, securing the second spot with 5,267 births, and Ian, completing the top three with 3,924 births. Beyond these leading names, there's a noticeable drop in frequency, with names like Ivan (2,240), Ismael (1,307), and Israel (1,081) also demonstrating considerable popularity among the I-starting names, while a vast array of other unique and traditional options follow with fewer births.
Data Source: USA Social Security Administration