This is a list of the most common male names starting with the letter I, based on people currently estimated to be alive in the United States as of 2023.
| Name | People | Average Age |
|---|---|---|
| Isaac | 288,459 | 19.0 |
| Ian | 241,273 | 23.3 |
| Isaiah | 235,430 | 16.2 |
| Ivan | 119,284 | 24.9 |
| Israel | 62,822 | 22.9 |
| Ismael | 38,380 | 24.8 |
| Ira | 23,230 | 49.9 |
| Issac | 21,329 | 22.9 |
| Isiah | 19,290 | 27.2 |
| Irvin | 17,144 | 43.6 |
| Iker | 17,138 | 7.2 |
| Isaias | 16,524 | 17.1 |
| Ibrahim | 15,843 | 13.1 |
| Ignacio | 15,146 | 33.0 |
| Izaiah | 13,855 | 11.8 |
| Irving | 12,303 | 44.6 |
| Isai | 6,851 | 16.5 |
| Isidro | 6,629 | 33.1 |
| Immanuel | 5,699 | 15.9 |
| Ishmael | 5,450 | 23.6 |
| Ivory | 4,996 | 30.4 |
| Ishaan | 4,933 | 9.3 |
| Irwin | 4,307 | 57.9 |
| Idris | 4,217 | 13.3 |
| Isaak | 4,113 | 15.9 |
| Infant | 4,074 | 27.6 |
| Izayah | 4,039 | 12.0 |
| Imran | 4,027 | 14.3 |
| Isreal | 3,695 | 29.7 |
| Ismail | 3,596 | 16.1 |
| Ike | 3,480 | 38.7 |
| Ilan | 2,931 | 15.6 |
| Iain | 2,793 | 23.3 |
| Izaak | 2,748 | 16.8 |
| Izaac | 2,719 | 14.1 |
| Isac | 2,697 | 20.6 |
| Isael | 2,657 | 12.6 |
| Isa | 2,617 | 17.8 |
| Ishan | 2,556 | 13.1 |
| Issa | 2,037 | 14.9 |
| Isacc | 1,869 | 22.6 |
| Ilyas | 1,823 | 9.0 |
| Izak | 1,772 | 16.0 |
| Ignatius | 1,761 | 27.3 |
| Iverson | 1,636 | 13.0 |
| Ibraheem | 1,476 | 13.7 |
| Ivy | 1,453 | 16.6 |
| Izan | 1,353 | 3.9 |
| Isaih | 1,348 | 21.8 |
| Issiah | 1,331 | 21.1 |
| Indiana | 1,306 | 11.3 |
| Ioannis | 1,293 | 24.5 |
| Iman | 1,286 | 19.7 |
| Imani | 1,280 | 17.9 |
| Iziah | 1,267 | 15.8 |
| Iran | 1,208 | 32.6 |
| Imanol | 1,208 | 17.3 |
| Ivaan | 1,166 | 3.2 |
| Izrael | 1,123 | 9.5 |
| Isadore | 1,088 | 47.7 |
| Izaya | 1,045 | 14.3 |
| Izael | 1,030 | 5.7 |
| Isak | 1,028 | 16.4 |
| Imari | 1,017 | 19.5 |
| Ibrahima | 999 | 13.5 |
| Ikaika | 997 | 20.9 |
| Indigo | 990 | 10.4 |
| Isabel | 928 | 24.1 |
| Ilya | 887 | 13.3 |
| Ibn | 887 | 28.3 |
| Iver | 887 | 18.3 |
| Ilias | 883 | 12.1 |
| Isidoro | 873 | 43.3 |
| Ivar | 870 | 13.7 |
| Iram | 850 | 18.2 |
| Itzae | 816 | 4.8 |
| Isayah | 761 | 14.4 |
| Izac | 758 | 16.3 |
| Igor | 742 | 23.5 |
| Ivey | 737 | 26.0 |
| Iven | 708 | 28.9 |
| Indy | 707 | 7.2 |
| Ikenna | 679 | 19.7 |
| Izik | 649 | 14.3 |
| Irfan | 635 | 20.8 |
| Isaiha | 630 | 20.0 |
| Isidore | 622 | 37.8 |
| Islam | 619 | 21.0 |
| Ishaq | 616 | 11.0 |
| Ihsan | 575 | 13.1 |
| Idrees | 566 | 9.8 |
| Isom | 560 | 47.5 |
| Iann | 550 | 11.3 |
| Ilijah | 546 | 11.7 |
| Isrrael | 544 | 22.8 |
| Imad | 522 | 20.8 |
| Idan | 514 | 10.9 |
| Iban | 511 | 25.7 |
| Ikechukwu | 505 | 21.6 |
| Itai | 496 | 13.6 |