Kainoa
Masculine · “the free one”
Kainoa is overwhelmingly a boys’ name — 2,656 boys against 40 girls since 1880.
Kainoa is Hawaiian for the free one, or the naming — ka inoa, the name itself, which makes it a name about names.
How old is the name Kainoa?
Kainoa first appears in US birth records in 1975 — 50 years ago. The typical Kainoa alive today was born around 2011, making them about 14 years old. About 2,600 people named Kainoa are estimated to be alive in the US today.
When was the name Kainoa most popular?
Kainoa peaked in 2005, reaching #1554 nationally. Today it ranks #1708, 154 places below that high. See the whole 2005 chart.
Kainoa appears on this list:
Where it comes from
From ka noa to Kainoa
The story of Kainoa
Noa in Hawaiian named what was free of kapu, the ritual restrictions that governed pre-contact Hawaiian life; the kapu system was formally abolished in 1819. Kainoa is a genuine Hawaiian name for both sexes. It appears in the American registers rising through the 2000s and is in current use.
Meaningscholars disagree
the free one; the name
From the Hawaiian ka, the definite article, and either noa, 'free' or 'released from restriction', or inoa, 'name'. Both readings are grammatically sound and both are given by Hawaiian sources. Noa carries a specific sense — free of kapu, the system of sacred prohibition.
How the name formed
- ka noa
- Kainoa
Related forms: Kainoa · Noa
Pronouncing Kainoa
ky-NO-ah
Three syllables, every vowel given a full value. Hawaiian does not reduce any of them.
Nicknames for Kainoa
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
- 1975
- Most boys named
- 2016105 — the highest on record
- Peak rank
- #1554reached in 2005
- Change vs 2024
- −4.0%95 in 2025, from 99
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.
Kainoa in other languages
The same name elsewhere
- Kainoa in Hawaiian — same name
- Noa in Hawaiian — related form
Strongest US states over the last decade: California, Hawaii, Washington.
Kainoas among us
people named Kainoa are estimated to be alive in the US today
About 1 boy in 17,980 born in 2025 was named Kainoa
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Kainoa
- #1708
- Kainoa on the 2025 chart
- #821
- counting every spelling
The SSA counts spellings, not names. Kainoa went to 95 boys in 2025, but Kainoah is the same name said out loud. Together the 2 spellings went to 107, which makes it the 821st most-given boys’ name of the year — 887 places above the chart.
- Kainoa95
- Kainoah12
About 1 boy in 15,963 born in 2025 was given one of these spellings — against 1 in 17,980 for Kainoa 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 Servando test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kainoa's later chapters haven't been written yet, so we borrowed them: Servando climbed just as high around 1953, and its whole arc is on record. Line the two peaks up, and Servando's path sketches the road Kainoa is walking now.
Kainoa 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 Kainoa is headed
Kainoa should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind.
Medium 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.
Kainoa beside its neighbors
The names ranked closest to Kainoa in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- The free-of-kapu sense is specific and records a real Hawaiian institution.
- Kai and Noa are two short forms, both complete names in their own right.
- It is a genuine Hawaiian construction rather than a borrowed ending.
- The two readings are both sound and neither is dominant.
- It is thoroughly unisex in Hawaiian.
- English speakers will collapse vowels the language keeps distinct.
Nobody names a baby alone.
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What they receive
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Kainoa
Masculine · #1708 in the U.S.
Frequently asked
- How many Kainoas are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 2,600 people named Kainoa are estimated to be alive in the US today.
- How do you spell Kainoa?
- Kainoa is the most-used spelling in US records — 95 of the 107 babies given the name in 2025. The others recorded are Kainoah.
- How popular is the name Kainoa in 2025?
- Kainoa ranks #1708 among US boy names in 2025, with 95 babies given the name.
- How rare is the name Kainoa?
- About 1 in every 17,980 US boys born in 2025 was named Kainoa — 95 in all.
- Will my child share the name Kainoa with classmates?
- Kainoa will almost certainly be the only one in school.
Ranked beside Kainoa
Names sitting at a similar level of popularity right now.
Antoine#1708 · Marlo#1708 · Henri#1708 · Azir#1708 · Koast#1708 · Ayansh#1708 · Zuriel#1708 · Shalom#1708
Looking for what else is popular rather than what resembles Kainoa? See the current top 100.
Choosing between Kainoa and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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