BabyNamesTrends
Menu

2025 data, released 8 May 2026

Kainoa

Kainoa was the 1716th most popular name for boys in 2025, given to 95 babies. Its best year was 2005, when it ranked 1563rd; the most babies were born in 2016 (105). Over the last ten years it has moved down 19 places. More babies were named Kainoa in the 2010s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#1,716 boys, up 142 places since 2020
Babies in 2025
95boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
2016105 babies
Total since 1880
2,696babies recorded

Kainoa popularity since 1880

050100150200 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.

A few girls are given the name too: 40 since 1980.

YearRank (boys)Babies (boys)
2025#1,71695
2020#1,85880
2010#1,89276
2000#1,77262
1990#4,28313
1980#3,73411
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Kainoa, counting every spelling?

Kainoa is the most common spelling of a name family that ranked #1,494 for boys in 2025 once every spelling is counted together, compared with #1,716 for Kainoa on its own. Together these spellings went to 107 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Kainoa95#1,716452
Kainoah12#6,99761

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Kainoa?

95 of the 3,606,400 babies born in the US in 2025 were named Kainoa (0.03 per 1,000 births). For a boy named Kainoa born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 88 (of 430 pupils) would have a child named Kainoa.

Chance of another Kainoa in a class of 20under 1 in 50US, born 2025
Most likely inHawaiiunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Kainoa?

About 2,600 people born in the US named Kainoa are alive today, with a median age of 15; half are between 8 and 24. That makes Kainoa mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Kainoa by state

How common Kainoa was among boys born in each state in 2021–2025. It is notably more common than nationally in Hawaii (78.8×), Washington (5.4×), California (2.2×). In 41 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.28 per 1,000 babiesWA0.28Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: fewer than 5 a yearIL–Michigan: fewer than 5 a yearMI–New York: fewer than 5 a yearNY–Massachusetts: fewer than 5 a yearMA–Oregon: 0.22 per 1,000 babiesOR0.22Nevada: 0.23 per 1,000 babiesNV0.23Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: fewer than 5 a yearOH–Pennsylvania: fewer than 5 a yearPA–New Jersey: fewer than 5 a yearNJ–Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.12 per 1,000 babiesCA0.12Utah: fewer than 5 a yearUT–Colorado: 0.05 per 1,000 babiesCO0.05Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: 0.03 per 1,000 babiesVA0.03Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: 0.07 per 1,000 babiesAZ0.07New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: fewer than 5 a yearNC–South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: fewer than 5 a yearGA–Hawaii: 4.1 per 1,000 babiesHI4.1Texas: 0.03 per 1,000 babiesTX0.03Florida: 0.02 per 1,000 babiesFL0.02
Babies per 1,000 of the same sex, Kainoa, boys, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Kainoa: their share of US boys followed the most similar curve since 1880. If you like Kainoa, they share its era and feel.

Questions about the name Kainoa

How popular is the name Kainoa?

Kainoa was the 1716th most popular name for boys in 2025, given to 95 babies. Its best year was 2005, when it ranked 1563rd; the most babies were born in 2016 (105). Over the last ten years it has moved down 19 places. More babies were named Kainoa in the 2010s than in any other decade.

Is Kainoa a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Kainoa in the US.

Where is Kainoa most popular?

In 2021–2025, Kainoa was most common in Hawaii (4.12 per 1,000 boys), followed by Washington and Nevada.