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2025 data, released 8 May 2026

Kailo

Kailo was the 1953rd most popular name for boys in 2025, given to 79 babies. Its best year was 2022, when it ranked 1766th with 94 babies. More babies were named Kailo in the 2020s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#1,953 boys, up 34 places since 2020
Babies in 2025
79boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
202294 babies
Total since 1880
600babies recorded

Kailo popularity since 1880

0255075100 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: 17 since 2020.

YearRank (boys)Babies (boys)
2025#1,95379
2020#1,98772
2010#11,4616
2000——
1990——
1980——
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Kailo, counting every spelling?

Kailo is the most common spelling of a name family that ranked #1,351 for boys in 2025 once every spelling is counted together, compared with #1,953 for Kailo on its own. Together these spellings went to 127 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Kailo79#1,953412
Kailoh17#5,49561
Kaylo14#6,28132
Kaelo10#7,93928

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 Kailo?

79 of the 3,606,400 babies born in the US in 2025 were named Kailo (0.02 per 1,000 births). For a boy named Kailo 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 106 (of 430 pupils) would have a child named Kailo.

Chance of another Kailo in a class of 20under 1 in 50US, born 2025
Most likely inOhiounder 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 Kailo?

About 600 people born in the US named Kailo are alive today, with a median age of 4; half are between 3 and 6. That makes Kailo a young name: most people with it are children.

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.

Kailo by state

How common Kailo was among boys born in each state in 2021–2025. It is notably more common than nationally in Florida (1.9×). In 43 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: fewer than 5 a yearWA–Idaho: 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: 0.02 per 1,000 babiesNY0.02Massachusetts: fewer than 5 a yearMA–Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: 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: 0.05 per 1,000 babiesOH0.05Pennsylvania: 0.02 per 1,000 babiesPA0.02New Jersey: fewer than 5 a yearNJ–Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.06 per 1,000 babiesCA0.06Utah: fewer than 5 a yearUT–Colorado: 0.04 per 1,000 babiesCO0.04Nebraska: 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: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: 0.03 per 1,000 babiesAZ0.03New 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: fewer than 5 a yearHI–Texas: 0.04 per 1,000 babiesTX0.04Florida: 0.09 per 1,000 babiesFL0.09
Babies per 1,000 of the same sex, Kailo, boys, 2021–2025. Darker means more common.

Names with a similar history

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

Questions about the name Kailo

How popular is the name Kailo?

Kailo was the 1953rd most popular name for boys in 2025, given to 79 babies. Its best year was 2022, when it ranked 1766th with 94 babies. More babies were named Kailo in the 2020s than in any other decade.

Is Kailo a boy or girl name?

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

Where is Kailo most popular?

In 2021–2025, Kailo was most common in Florida (0.09 per 1,000 boys), followed by California and Ohio.