Kaiah
Girl name · #3121 in 2025 · Very rare
How old is the name Kaiah? In official American birth records, Kaiah has been tracked continuously since 1997, giving it 28 years of documented American history.
Kaiah is currently the #3121 girl name in the United States — 52 babies received it in 2025. A decade ago it stood at #3915, so the name has been rising over the past ten years. Roughly one in every 34,615 girls born in 2025 was named Kaiah.
The 28-year story
Kaiah first appears in the Social Security records in 1997, when 5 girls received the name. Its peak came in 2021, when 68 girls were named Kaiah — good for #2558 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 Kaiah per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaiah against up to 5 other names.
Uniqueness: will there be another Kaiah in class?
On our rarity read — which blends how common Kaiah is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaiah will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaiah is most common
State-level data for Kaiah is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kaiah
Statistically, parents drawn to Kaiah tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kaziah, Kaliah, Ziah, Daliah, and Aleiah.
KaziahKaliahZiahDaliahAleiahKamiahAmaiahAziah
Rank history (last 25 years)
| Year | Babies named Kaiah | Rank |
|---|---|---|
| 2025 | 52 | #3100 |
| 2024 | 57 | #2889 |
| 2023 | 68 | #2588 |
| 2022 | 54 | #3033 |
| 2021 | 68 | #2558 |
| 2020 | 42 | #3546 |
| 2019 | 61 | #2752 |
| 2018 | 56 | #2928 |
| 2017 | 48 | #3305 |
| 2016 | 41 | #3707 |
| 2015 | 38 | #3915 |
| 2014 | 28 | #4892 |
| 2013 | 31 | #4543 |
| 2012 | 39 | #3915 |
| 2011 | 32 | #4466 |
| 2010 | 32 | #4494 |
| 2009 | 27 | #5226 |
| 2008 | 29 | #5013 |
| 2007 | 28 | #5097 |
| 2006 | 29 | #4811 |
| 2005 | 21 | #5800 |
| 2004 | 11 | #9264 |
| 2003 | 14 | #7580 |
| 2002 | 25 | #4767 |
| 2001 | 29 | #4209 |
Frequently asked questions
How old is the name Kaiah?
In official American birth records, the name Kaiah first appeared in 1997 (over 28 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 28 years.
Is Kaiah a popular girl name?
Kaiah ranked #3121 among girls in 2025 with 52 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3915.
When was the name Kaiah most popular?
Kaiah peaked in 2021, when 68 American girls received the name (ranked #2558 that year). Since 2021 the name has declined from that high.
How rare is the name Kaiah?
In 2025, roughly 1 in 34,615 newborn American girls was named Kaiah. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.