Issaiah
Issaiah was given to 9 boys in 2025, #8,503 among boys’ names; 504 Americans have been recorded with it since 1990 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Issaiah by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Issaiah?
#8,503 among boys’ names, 2025
Issaiah rose from #12,822 in 2015 to #8,503 in 2025 among boys’ names; its share of boys born rose from 2.6 to 5.3 per million.
29 babies in 2002, the peak
Issaiah peaked in 2002, when 29 boys were given it, #3,134 among boys’ names. The 9 births of 2025 are 31% of that peak.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2025 | 9 | #8,503 | 5.3 |
| 2024 | 5 | #13,031 | 2.9 |
| 2023 | 8 | #9,240 | 4.7 |
| 2022 | 6 | #11,406 | 3.4 |
| 2021 | 7 | #10,138 | 4.0 |
| 2019 | 7 | #10,146 | 3.9 |
| 2018 | 10 | #7,820 | 5.5 |
| 2017 | 11 | #7,280 | 5.9 |
| 2016 | 14 | #6,150 | 7.4 |
| 2015 | 5 | #12,822 | 2.6 |
Every recorded year (32)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2014 | 17 | #5,340 | 8.9 |
| 2013 | 16 | #5,490 | 8.5 |
| 2012 | 20 | #4,762 | 10.5 |
| 2011 | 20 | #4,726 | 10.5 |
| 2010 | 26 | #3,932 | 13.6 |
| 2009 | 23 | #4,340 | 11.6 |
| 2008 | 22 | #4,450 | 10.8 |
| 2007 | 29 | #3,634 | 14.0 |
| 2006 | 28 | #3,634 | 13.6 |
| 2005 | 19 | #4,535 | 9.5 |
| 2004 | 27 | #3,485 | 13.6 |
| 2003 | 17 | #4,680 | 8.6 |
| 2002 | 29 | #3,134 | 14.9 |
| 2001 | 18 | #4,354 | 9.3 |
| 2000 | 28 | #3,102 | 14.3 |
| 1999 | 16 | #4,430 | 8.3 |
| 1998 | 22 | #3,429 | 11.5 |
| 1997 | 8 | #6,847 | 4.2 |
| 1996 | 14 | #4,476 | 7.4 |
| 1995 | 11 | #5,282 | 5.8 |
| 1991 | 7 | #6,813 | 3.5 |
| 1990 | 5 | #8,640 | 2.4 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Issaiah a boy’s or a girl’s name?
Issaiah has been recorded only for boys: SSA lists no girls with the name in 32 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Issaiah: the SSA national file counts each sex separately.
How many people are named Issaiah, and how old are they?
An estimated 496 Americans named Issaiah and born in the U.S. are alive in 2026 (98% of everyone recorded); the median is 19 years old and half are between 14 and 25. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 448 people named Issaiah (2 women and girls, 446 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 464 born in the U.S. The Census count is 3% below that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
How common is the spelling Issaiah?
Issaiah is a less common spelling of Isaiah: SSA has recorded 504 Issaiah and 254,710 Isaiah since 1880.
Of these 8 names spelled alike, given to 284,527 babies since 1880, Issaiah is the sixth most given (<1% of them). In 2025 it was given to 9 of their 5,435 babies (<1%), the fourth most given that year.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Issaiah
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Issaiah and names like it
- Compare Issaiah and IsaiahBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2000sIssaiah peaked in 2002.
- California’s most given namesThe state where SSA recorded the most babies named Issaiah since 1910.
- The top names of 2002The year the most babies were named Issaiah.
- The names of Generation ZMost people named Issaiah alive today were born 1997-2012.
- Names starting with IMost given first.