Isiah
Boy name · #1478 in 2025 · Uniqueness 70/100
In 2025, 120 baby boys were named Isiah, placing it at #1478 in the official national rankings. A decade ago it stood at #1089, so the name has been falling over the past ten years. Roughly one in every 15,000 boys born in 2025 was named Isiah.
Babies named Isiah per year, 1880–2025. Source: SSA.
The 145-year story
Isiah first appears in the Social Security records in 1880, when 20 boys received the name. Its peak came in 2001, when 822 boys were named Isiah — good for #336 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Isiah against up to 5 other names.
Uniqueness: will there be another Isiah in class?
Isiah scores 70 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Isiah will likely be the only one in the room, with the occasional spelling-out as the price.
Where Isiah is most common
Geography matters for names, and Isiah is no exception. In 2025 the states with the most Isiahs were TX (18), CA (12), FL (11), PA (8), AZ (7). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Isiah
Statistically, parents drawn to Isiah tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Zebadiah, Javon, Jakob, Skylar, and Parth.
ZebadiahJavonJakobSkylarParthKolbyTrentIsidro
Rank history (last 25 years)
| Year | Babies named Isiah | Rank |
|---|---|---|
| 2025 | 120 | #1477 |
| 2024 | 149 | #1308 |
| 2023 | 132 | #1397 |
| 2022 | 141 | #1330 |
| 2021 | 138 | #1339 |
| 2020 | 131 | #1353 |
| 2019 | 157 | #1214 |
| 2018 | 169 | #1139 |
| 2017 | 170 | #1126 |
| 2016 | 197 | #1020 |
| 2015 | 179 | #1089 |
| 2014 | 187 | #1057 |
| 2013 | 266 | #816 |
| 2012 | 293 | #776 |
| 2011 | 366 | #639 |
| 2010 | 424 | #589 |
| 2009 | 497 | #535 |
| 2008 | 635 | #443 |
| 2007 | 627 | #446 |
| 2006 | 730 | #405 |
| 2005 | 742 | #387 |
| 2004 | 712 | #383 |
| 2003 | 734 | #364 |
| 2002 | 746 | #357 |
| 2001 | 822 | #336 |
Frequently asked questions
Is Isiah a popular boy name?
Isiah ranked #1478 among boys in 2025 with 120 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1089.
When was the name Isiah most popular?
Isiah peaked in 2001, when 822 American boys received the name (ranked #336 that year). Since 2001 the name has declined from that high.
How rare is the name Isiah?
In 2025, roughly 1 in 15,000 newborn American boys was named Isiah. It scores 70/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.