Izaiah is an established boys' name that peaked in 2009 and remains in steady use.
Izaiah is predominantly a boy name. In 2025 it ranked #635 for boy births in the United States (and #1,287 across all names), given to 439 babies. Izaiah first appears in 1984 and peaked in 2009 (744 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 439 | 439 | — | #635 |
| 2024 | 468 | 468 | — | #608 |
| 2023 | 495 | 495 | — | #580 |
| 2022 | 551 | 551 | — | #539 |
| 2021 | 514 | 514 | — | #555 |
| 2020 | 602 | 602 | — | #489 |
| 2019 | 509 | 509 | — | #555 |
| 2018 | 546 | 546 | — | #520 |
| 2017 | 496 | 496 | #16,881 | #556 |
| 2016 | 520 | 520 | — | #551 |
| 2015 | 532 | 532 | — | #538 |
| 2014 | 637 | 637 | — | #461 |
| 2013 | 647 | 647 | — | #445 |
| 2012 | 729 | 729 | — | #401 |
| 2011 | 727 | 727 | — | #390 |
| 2010 | 708 | 708 | #18,059 | #400 |
| 2009 | 744 | 749 | — | #400 |
| 2008 | 679 | 679 | — | #428 |
| 2007 | 635 | 640 | — | #441 |
| 2006 | 589 | 589 | — | #460 |
| 2005 | 534 | 539 | — | #469 |
| 2004 | 438 | 438 | — | #539 |
| 2003 | 426 | 426 | — | #541 |
| 2002 | 394 | 394 | — | #565 |
| 2001 | 334 | 334 | — | #595 |
| 2000 | 274 | 274 | — | #660 |
| 1999 | 206 | 206 | — | #773 |
| 1998 | 171 | 171 | — | #853 |
| 1997 | 113 | — | — | #1,120 |
| 1996 | 79 | — | — | #1,363 |
| 1995 | 44 | — | — | #1,934 |
| 1994 | 32 | — | — | #2,413 |
| 1993 | 21 | — | — | #3,187 |
| 1992 | 18 | — | — | #3,516 |
| 1991 | 23 | — | — | #2,864 |
| 1990 | 8 | — | — | #6,064 |
| 1989 | 8 | — | — | #5,862 |
| 1988 | 5 | — | — | #7,745 |
| 1986 | 5 | — | — | #7,155 |
| 1984 | 9 | — | — | #4,350 |