Isaiah
Boy name · #57 in 2025 · Well-known
How old is the name Isaiah? In official American birth records, Isaiah has been tracked continuously since 1880, giving it 145 years of documented American history.
In 2025, 5,267 baby boys were named Isaiah, placing it at #57 in the official national rankings. A decade ago it stood at #49, so the name has been falling over the past ten years. Roughly one in every 342 boys born in 2025 was named Isaiah.
The 145-year story
Isaiah first appears in the Social Security records in 1880, when 40 boys received the name. Its peak came in 2006, when 10,459 boys were named Isaiah — good for #39 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.
Babies named Isaiah per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Isaiah against up to 5 other names.
Uniqueness: will there be another Isaiah in class?
On our rarity read — which blends how common Isaiah is today with its five-year momentum — the name reads as "well-known". A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Isaiah is most common
Geography matters for names, and Isaiah is no exception. Adjusted for how many boys are born in each state, Isaiah is most common in HI (7.9 per 1,000), NV (5.6 per 1,000), NM (5.2 per 1,000), SD (4.9 per 1,000), AK (4.8 per 1,000) — against a national average of about 3.6 per 1,000 boys. These are per-capita rates, so they show where Isaiah is a genuine regional favorite rather than just where the most babies are born.
Names like Isaiah
Statistically, parents drawn to Isaiah tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Josiah, Jeremiah, Isaac, Jonah, and Logan.
JosiahJeremiahIsaacJonahLoganAngelCalebAdrian
Rank history (last 25 years)
| Year | Babies named Isaiah | Rank |
|---|---|---|
| 2025 | 5,267 | #57 |
| 2024 | 5,286 | #56 |
| 2023 | 5,162 | #56 |
| 2022 | 5,430 | #58 |
| 2021 | 5,724 | #56 |
| 2020 | 6,094 | #51 |
| 2019 | 6,214 | #53 |
| 2018 | 6,719 | #51 |
| 2017 | 7,262 | #46 |
| 2016 | 7,573 | #47 |
| 2015 | 7,658 | #49 |
| 2014 | 7,657 | #48 |
| 2013 | 7,903 | #44 |
| 2012 | 8,190 | #42 |
| 2011 | 8,555 | #43 |
| 2010 | 8,589 | #43 |
| 2009 | 9,259 | #41 |
| 2008 | 9,670 | #42 |
| 2007 | 10,124 | #43 |
| 2006 | 10,459 | #39 |
| 2005 | 9,527 | #45 |
| 2004 | 9,264 | #45 |
| 2003 | 8,900 | #49 |
| 2002 | 8,965 | #45 |
| 2001 | 8,589 | #43 |
Frequently asked questions
How old is the name Isaiah?
In official American birth records, the name Isaiah first appeared in 1880 (over 145 years ago), when 40 newborn boys received the name. It has over a century of continuous American history.
Is Isaiah a popular boy name?
Isaiah ranked #57 among boys in 2025 with 5,267 babies given the name — firmly in the top 100, so yes, it’s a popular choice. Ten years earlier it ranked #49.
When was the name Isaiah most popular?
Isaiah peaked in 2006, when 10,459 American boys received the name (ranked #39 that year). Since 2006 the name has declined from that high.
How rare is the name Isaiah?
In 2025, roughly 1 in 342 newborn American boys was named Isaiah. On our rarity scale (rarity blended with momentum) we classify it as "well-known".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.