Koah
Masculine
Koah is given to both — 1,279 boys and 159 girls since 1880. See other names given to both
Koah is one of the genuinely new American names — it arrived on the national record in this century and has been climbing since, rather than drifting the way most novelties do. It is two beats and four letters, sharing its shape with Noah and its sound with the Hawaiian name Koa, so nearly everyone can say it on first sight. Names this young are rare in the record and rarer still in a classroom.
How old is the name Koah?
Koah first appears in US birth records in 2005 — 20 years ago. Koah is overwhelmingly a brand-new baby name right now — most Koahs are still in diapers. About 1,300 people named Koah are estimated to be alive in the US today.
When was the name Koah most popular?
Koah peaked in 2025, reaching #912 nationally. Today it ranks #912, exactly where it peaked. See the whole 2025 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
Our story of Koah
Some names come down to us through documents; this one comes up through American birth records, quietly, over the last couple of decades, strongest in California, Texas and Florida — three states where names cross oceans and borders and get reshaped in the crossing. Its four letters sit between two real things: Koa, a name carried in Hawaii and the word there for the tall koa tree, and the h-ending that Noah, Micah and Ezrah all wear in English. Whoever wrote it first, it behaves like a name built for the mouth rather than the page — one syllable to open, one to land. Its history is being written now, mostly by people still in diapers.
Meaningnot established
Not established
No meaning has been established for this spelling. What is documented is nearby: koa is a Hawaiian word for brave or warrior and the name of the koa tree, and Koa is used as a given name in Hawaii and beyond. Noah, the Hebrew name it rhymes with, is traditionally read as rest or comfort. Whether Koah began as either of those, or simply as a spelling someone liked, is not recorded.
Pronouncing Koah
KOH-uh
Two syllables, stress on the first, rhyming with Noah. Some families say KOH-ah, closer to the Hawaiian Koa. Both are in use, so expect to state your preference once and then be understood.
Nicknames for Koah
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 2005
- Most boys named
- 2025260 — the highest on record
- Peak rank
- #912reached in 2025
- Change vs 2024
- +29.4%260 in 2025, from 201
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Koah in other languages
The same name elsewhere
- Koa in Hawaiian — related form
Strongest US states over the last decade: California, Texas, Florida.
Koahs among us
people named Koah are estimated to be alive in the US today
About 1 boy in 6,570 born in 2025 was named Koah
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Koah
- #912
- Koah on the 2025 chart
- #230
- counting every spelling
The SSA counts spellings, not names. Koah went to 260 boys in 2025, but Koa, Khoa and Coa are the same name said out loud. Together the 5 spellings went to 1,581, which makes it the 230th most-given boys’ name of the year — 682 places above the chart.
and 1 rarer spelling.
About 1 boy in 1,080 born in 2025 was given one of these spellings — against 1 in 6,570 for Koah itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Montrell test
Every popular name lives one long story — a climb, a peak, a slow settling back. Koah's later chapters haven't been written yet, so we borrowed them: Montrell climbed just as high around 1989, and its whole arc is on record. Line the two peaks up, and Montrell's path sketches the road Koah is walking now.
Koah is climbing fast right now. Steep climbs tend to come with steep descents — the quicker a name arrives, the more firmly it belongs to its moment.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Koah is headed
Koah is on a steep climb — if the curve holds, 2030 could see around 72% more babies given the name than today. Its history is short or jumpy, though, so read this as a sketch rather than a promise.
Low confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Koah beside its neighbors
The names ranked closest to Koah in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Four letters, two syllables, and a sound almost every English speaker already knows from Noah — it can be said correctly on first reading.
- Short enough to need no nickname, with Ko available if one is wanted.
- A child named Koah will almost certainly be the only one in any school, without the name being unrecognizable.
- Travels easily between English and Hawaiian-influenced naming, and the letters are pronounceable in most European languages.
- Expect the h to go missing. Koa and Noah are both far more familiar, so the spelling will need repeating on forms, name tags and coffee cups for life.
- Two pronunciations circulate — KOH-uh and KOH-ah — and neither is wrong, so you will be the one setting the standard for your child.
- There is no settled meaning and no long paper trail behind this spelling. If a documented origin story matters to you, this name cannot supply one yet.
- It is overwhelmingly a name of very young children right now, which means no adult bearers to point to — and also that it will grow up alongside your child rather than sounding borrowed.
Nobody names a baby alone.
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What they receive
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Koah
Masculine · #912 in the U.S.
Frequently asked
- How many Koahs are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,300 people named Koah are estimated to be alive in the US today.
- How do you spell Koah?
- Koah is one of 4 recorded spellings. Koa is the more common one — 1,281 births in 2025 against 260 for Koah.
- How popular is the name Koah in 2025?
- Koah ranks #912 among US boy names in 2025, with 260 babies given the name.
- How rare is the name Koah?
- About 1 in every 6,570 US boys born in 2025 was named Koah — 260 in all.
- Will my child share the name Koah with classmates?
- Koah will almost certainly be the only one in school.
Ranked beside Koah
Names sitting at a similar level of popularity right now.
Ezrah#913 · Beck#913 · Yitzchok#910 · Vihaan#910 · Stone#915 · Issac#915 · Wesson#917 · Leif#917
Looking for what else is popular rather than what resembles Koah? See the current top 100.
Choosing between Koah and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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