Kenzo
Masculine
Kenzo is overwhelmingly a boys’ name — 4,690 boys against 5 girls since 1880.
Kenzo is a Japanese name built the way many Japanese boys' names are built: a first element carrying an idea like strength or wisdom, closed by the character for "three." It moves easily in English — two syllables, every letter doing its job — and it has been on American records far longer than its recent rise suggests.
How old is the name Kenzo?
Kenzo first appears in US birth records in 1920 — 105 years ago. The typical Kenzo is a kid of about 4 — this name's wave is very recent. About 4,600 people named Kenzo are estimated to be alive in the US today.
When was the name Kenzo most popular?
Kenzo peaked in 2022, reaching #505 nationally. Today it ranks #628, 123 places below that high. See the whole 2022 chart.
Where it comes from
Origin, sound and short forms
The story of Kenzo
The name is Japanese, and its structure is a very old pattern there: a meaningful first character joined to a number, so that the written form tells you something the spoken form does not. Romanized as Kenzo (properly Kenzō, with a long final vowel), it traveled outward in the twentieth century with Japanese emigration and with the people who carried it — among them the architect Kenzo Tange and the designer Kenzo Takada, who founded his Paris fashion house under the single name in 1970. That house is why the word is legible on shop windows in cities where no Japanese is spoken. In the United States the name has appeared in the records since well before its current wave, and its strongest use today sits in California, New York and Florida.
Meaningscholars disagree
Commonly "strong/healthy" or "wise" plus "three" — often marking a third son
In Japanese the meaning is decided by the characters, not the sound. Kenzo is written many ways: 健三 with 健 "healthy, strong," 賢三 with 賢 "wise," 憲三 with 憲 "law," 建三 with 建 "to build." The final 三 means "three" and traditionally marked a third son, though it has long been used without that literal sense. Other spellings end in 蔵 or 造 instead. All are genuine Kenzos; no single reading owns the name.
Pronouncing Kenzo
KEN-zoh
Two syllables, stress on the first in American English. In Japanese the syllables are more evenly weighted and the final vowel is held longer — Ken-zoh-oh — which is what the macron in Kenzō marks. English speakers get it right on the first try either way.
Nicknames for Kenzo
High
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
- 1920
- Most boys named
- 2022596 — the highest on record
- Peak rank
- #505reached in 2022
- Change vs 2024
- −8.6%445 in 2025, from 487
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.
Kenzo in other languages
The same name elsewhere
- 健三 / 賢三 / 憲三 in Japanese — same name
- Kenzō in Japanese (romanized) — transliteration
- Kenzou / Kenzoh in English — spelling variant
Strongest US states over the last decade: California, New York, Florida.
Kenzos among us
people named Kenzo are estimated to be alive in the US today
About 1 boy in 3,838 born in 2025 was named Kenzo
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Garnett test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kenzo's later chapters haven't been written yet, so we borrowed them: Garnett climbed just as high around 1909, and its whole arc is on record. Line the two peaks up, and Garnett's path sketches the road Kenzo is walking now.
Kenzo sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Kenzo is headed
Kenzo should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind. 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.
Kenzo beside its neighbors
The names ranked closest to Kenzo in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Spelled exactly as it sounds in English, so it survives phone calls, forms and roll calls without correction.
- Ken and Kenny are ready-made short forms already familiar to English speakers, with Kenz and Zo available too.
- Works in both Japanese and English without adjustment — useful for a family living across the two.
- Long presence in US records combined with modest numbers: recognizable as a name, unlikely to be duplicated in a classroom.
- The English spelling drops the long vowel of Kenzō. If Japanese-speaking family matter to you, decide early which characters the name is written with, since that — not the romanization — is what carries the meaning.
- Kenzo is also a well-known Paris fashion label and fragrance line, so some adults will hear the brand before the name. It fades fast in a child's own social world, but it will come up.
- Because most American Kenzos are very young, older adults may not have met one before and will occasionally ask you to repeat it. One clear saying is usually enough.
Nobody names a baby alone.
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What they receive
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Kenzo
Masculine · #628 in the U.S.
Frequently asked
- How many Kenzos are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 4,600 people named Kenzo are estimated to be alive in the US today.
- How popular is the name Kenzo in 2025?
- Kenzo ranks #628 among US boy names in 2025, with 445 babies given the name.
- How rare is the name Kenzo?
- About 1 in every 3,838 US boys born in 2025 was named Kenzo — 445 in all.
- Will my child share the name Kenzo with classmates?
- Kenzo will almost certainly be the only one in school.
Ranked beside Kenzo
Names sitting at a similar level of popularity right now.
Danny#628 · Jayceon#628 · Sincere#628 · Arturo#627 · Gustavo#625 · Hassan#625 · Zayd#632 · Nathanael#632
Looking for what else is popular rather than what resembles Kenzo? See the current top 100.
Choosing between Kenzo and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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