Issaiah is a rare variant of Isaiah that peaked in 2002 and has grown less common since.
Issaiah is a boy name. In 2025 it ranked #8,507 for boy births in the United States (and #17,677 across all names), given to 9 babies. Issaiah first appears in 1990 and peaked in 2002 (29 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 9 | 9 | #8,507 |
| 2024 | 5 | 5 | #13,036 |
| 2023 | 8 | 8 | #9,245 |
| 2022 | 6 | 6 | #11,412 |
| 2021 | 7 | 7 | #10,143 |
| 2019 | 7 | 7 | #10,151 |
| 2018 | 10 | 10 | #7,824 |
| 2017 | 11 | 11 | #7,284 |
| 2016 | 14 | 14 | #6,155 |
| 2015 | 5 | 5 | #12,828 |
| 2014 | 17 | 17 | #5,344 |
| 2013 | 16 | 16 | #5,494 |
| 2012 | 20 | 20 | #4,767 |
| 2011 | 20 | 20 | #4,728 |
| 2010 | 26 | 26 | #3,933 |
| 2009 | 23 | 23 | #4,342 |
| 2008 | 22 | 22 | #4,453 |
| 2007 | 29 | 29 | #3,636 |
| 2006 | 28 | 28 | #3,636 |
| 2005 | 19 | 19 | #4,540 |
| 2004 | 27 | 27 | #3,489 |
| 2003 | 17 | 17 | #4,685 |
| 2002 | 29 | 29 | #3,138 |
| 2001 | 18 | 18 | #4,360 |
| 2000 | 28 | 28 | #3,108 |
| 1999 | 16 | 16 | #4,435 |
| 1998 | 22 | 22 | #3,433 |
| 1997 | 8 | — | #6,853 |
| 1996 | 14 | — | #4,482 |
| 1995 | 11 | — | #5,288 |
| 1991 | 7 | — | #6,820 |
| 1990 | 5 | — | #8,649 |