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Kainalu

Masculine · “the surging sea”

1991high 2003
#5861 in the U.S.given to only a few children a year
rare15 boys in 2025

Kainalu is Hawaiian and completely transparent: kai is the sea, nalu is a wave, and together they name the ocean in motion — a billowy or surging sea. Hawaiian builds names this way, from ordinary words joined without disguise, which is why a Hawaiian name can usually be translated by anyone who speaks the language. Its American peak is 2003.

How old is the name Kainalu?

Kainalu first appears in US birth records in 1991 — 34 years ago. The typical Kainalu alive today was born around 2008, making them about 17 years old. About 700 people named Kainalu are estimated to be alive in the US today.

When was the name Kainalu most popular?

Kainalu peaked in 2003, reaching #2993 nationally. Today it ranks #5861, 2,868 places below that high. See the whole 2003 chart.

I

Where it comes from

The story of Kainalu

Hawaiian naming traditionally attached a name to an event, a dream, a place or a saying, and names were understood as meaning something particular rather than as inherited labels. That practice was heavily disrupted by the nineteenth century — missionary influence, the imposition of a surname system in 1860, and the near-banning of the Hawaiian language in schools after 1896 all pushed Hawaiian names out of use. The Hawaiian renaissance from the 1970s reversed that, and the language and its names have been in deliberate recovery ever since. Kainalu is part of that recovery, and its American record is a twenty-first-century phenomenon.

Meaning

the surging sea; billowy ocean

Hawaiian kai means sea or salt water, and nalu means a wave or surf — it is also the verb for surfing. The compound kai nalu describes a sea with waves running through it. Hawaiian personal names are frequently compounds of this kind and are understood by speakers as descriptions, often given for a specific circumstance of birth. The derivation is transparent and settled.

How the name formed

  1. kai nalu
  2. Kainalu

Related forms: Kainalu

Pronouncing Kainalu

ky-NAH-loo

Four syllables in careful Hawaiian, with kai as a single diphthong rhyming with sky and the stress on the na. Every vowel is pronounced — Hawaiian has no silent letters — and the a's are open. English speakers reach it readily once they know the vowels.

Nicknames for Kainalu

Moderate

KaiThe front, and a very popular name in its own right worldwide
NaluThe back half, and a Hawaiian name of its own
KainaA clipped form used within families
II

What the data says

The long climb, and where it stands now

BOYS NAMED · 1991–202532160321519912025

US babies named Kainalu per year from 1991 to 2025
AVERAGE RANK BY DECADE#1#10#100#1000#29931990s2020s

The same years in position rather than babies

First recorded
1991
Most boys named
200332 — the highest on record
Peak rank
#2993reached in 2003
Change vs 2024
−25.0%15 in 2025, from 20
Kainalu sits in the rare tail. Its best year on record was 2003, with 32 boys. Today it is given to few enough children that it does not enter the ranked charts at all.

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.

Kainalu in other languages

The same name elsewhere

  • Kainalu in Hawaiian — same name

Strongest US states over the last decade: Hawaii, Utah.

Kainalus among us

700

people named Kainalu are estimated to be alive in the US today

About 1 boy in 113,872 born in 2025 was named Kainalu

Estimated from SSA birth records and published actuarial life tables. Method

III

Is it right for you

The Theodoros test

Every popular name lives one long story — a climb, a peak, a slow settling back. Kainalu's later chapters haven't been written yet, so we borrowed them: Theodoros climbed just as high around 1972, and its whole arc is on record. Line the two peaks up, and Theodoros's path sketches the road Kainalu is walking now.

40%chance Kainalu will feel dated by 2040
Kainalu, aligned on its peakTheodoros· peak 1972not yet written
#1#10#100#1000peak-10 yrs+50 yrsTheodoros · #4756Kainalu today
Kainalu today is about where Theodoros stood in 1994 — 22 years past a #2991-sized peak. By 2009, Theodoros had settled around #8540.
Ages quietlysteadyDates fast

Kainalu 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

Kainalu beside its neighbors

The names ranked closest to Kainalu in 2025, in babies rather than position — the bars are to scale.

Kainaluthis name15#5861Eber15#5861Wilton15#5861Ruby15#5861Stacy15#5861

US boys given each name in 2025.

The trade-off

Practical strengths
  • The meaning is concrete, visual and translatable word for word.
  • Kai and Nalu are both complete names available as short forms.
  • Hawaiian spelling is fully phonetic, so the name is said exactly as it is written.
What to consider
  • English speakers may try to reduce vowels that Hawaiian sounds fully.
  • It is long for a name that will often be spelled out in the mainland United States.
  • It carries a specific cultural identity, which is a strength or a consideration depending on the family.

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Kainalu

Masculine · #5861 in the U.S.

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Frequently asked

How many Kainalus are there in the world?
No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Kainalu are estimated to be alive in the US today.
How popular is the name Kainalu in 2025?
Kainalu ranks #5861 among US boy names in 2025, with 15 babies given the name.
How rare is the name Kainalu?
About 1 in every 113,872 US boys born in 2025 was named Kainalu — 15 in all.
Will my child share the name Kainalu with classmates?
Kainalu will almost certainly be the only one in school.

Ranked beside Kainalu

Names sitting at a similar level of popularity right now.

Eber#5861 · Wilton#5861 · Ruby#5861 · Stacy#5861 · Garner#5861 · Caldwell#5861 · Severin#5861 · Newton#5861

Looking for what else is popular rather than what resembles Kainalu? See the current top 100.

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US figures from the Social Security Administration. 1880–2025. Data & methodology

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