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2025 data, released 8 May 2026

Kailin

Kailin was the 7294th most popular name for girls in 2025, given to 15 babies. Its best year was 1997, when it ranked 2345th with 57 babies. Over the last ten years it has moved down 1,159 places. More babies were named Kailin in the 2000s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#7,294 girls, up 882 places since 2020
Babies in 2025
15girls
Girls and boys
72% girls, 28% boys2021–2025
Peak year
199757 babies
Total since 1880
1,410babies recorded

Kailin popularity since 1880

0255075100 1900192019401960198020002020
GirlsBoys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Rank (boys)Babies (girls)Babies (boys)
2025#7,294—15—
2020#8,176#11,290136
2010#3,858—40—
2000#2,650#6,5785610
1990#4,298—23—
1980————
1970————
1960————
1950————
1940————
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1920————
1910————
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1890————
1880————

How popular is Kailin, counting every spelling?

Kailin is a spelling of Kaylin, a name family that ranked #295 for girls in 2025 once every spelling is counted together, compared with #7,294 for Kailin on its own. Together these spellings went to 1,103 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Kaylin126#1,644834
Kaylynn134#1,576774
Kailyn110#1,825736
Kaelyn131#1,601728
Kayleen70#2,524559
Kaelynn79#2,310537
Kailynn78#2,343501
Kaylyn70#2,525372
Kaylen61#2,796363
Cailyn40#3,728261
Kaileen33#4,299242
Kaylene37#3,947224

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 Kailin?

15 of the 3,606,400 babies born in the US in 2025 were named Kailin (0.00 per 1,000 births). For a girl named Kailin 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 554 (of 430 pupils) would have a child named Kailin.

Chance of another Kailin in a class of 20under 1 in 50US, born 2025

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

How old are people named Kailin?

About 1,200 people born in the US named Kailin are alive today, with a median age of 23; half are between 16 and 30. That makes Kailin 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.

Kailin by state

How common Kailin was among girls born in each state in 2021–2025. In 50 states fewer than five girls 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: fewer than 5 a yearNY–Massachusetts: 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: 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: 0.01 per 1,000 babiesCA0.01Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: 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: fewer than 5 a yearAZ–New 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: fewer than 5 a yearTX–Florida: fewer than 5 a yearFL–
Babies per 1,000 of the same sex, Kailin, girls, 2021–2025. Darker means more common.

Names with a similar history

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

Questions about the name Kailin

How popular is the name Kailin?

Kailin was the 7294th most popular name for girls in 2025, given to 15 babies. Its best year was 1997, when it ranked 2345th with 57 babies. Over the last ten years it has moved down 1,159 places. More babies were named Kailin in the 2000s than in any other decade.

Is Kailin a boy or girl name?

In 2021–2025, 72% girls, 28% boys given the name Kailin in the US.

Where is Kailin most popular?

In 2021–2025, Kailin was most common in California (0.01 per 1,000 girls).