Unisex name ★ peaked 2000

Kailin

Meaning Spelling variant of Kaylin Gender Unisex · 87% girls Rank 2025 #7,294

Spelling variant of Kaylin.

Rank 2025
#7,294
among girls · ↓508 vs 2024
Babies in 2025
15
named Kailin · -37% vs 2024
How common
1 in 107,151
girls born in 2025
Peak year
2000
66 babies
All-time total
1,410
#6,532 all-time among girls
First recorded
1981
in Social Security records

Kailin popularity over time

1,410 babies have been named Kailin since 1981, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.010.020.030.0418801900192019401960198020002020GirlsBoys
GirlsBoys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s 99 – 99 10 – #3,432
1990s 362 45 407 41 +311% #2,345
2000s 436 62 498 50 +22% #2,650
2010s 234 46 280 28 -44% #3,858
2020s (to 2025) 90 36 126 21 -25% #5,391

The story of Kailin

Kailin is rare for girls in the United States, ranked #7,294 in 2025 with 15 babies given the name. It is currently declining compared with a decade ago.

Since 1981, 1,410 American babies have been named Kailin, about 87% girls and 13% boys, making it a genuinely unisex name. Its peak came in 2000, when 66 newborns received the name, the signature sound of the 2000s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kailin stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kailin?

The median living Kailin is about 21 years old; half are between 14 and 29. An estimated 1,400 people named Kailin are alive in the United States today.

median 21 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kailin year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 15 #7,294 – –
2024 17 #6,786 7 #10,390
2023 10 #9,938 9 #8,571
2022 24 #5,391 7 #10,318
2021 11 #9,240 7 #10,244
2020 13 #8,176 6 #11,290
2019 9 #10,884 7 #10,278
2018 12 #8,883 5 #13,138
2017 18 #6,666 – –
2016 20 #6,284 6 #11,418
2015 21 #6,135 5 #13,037
2014 22 #5,888 8 #9,207
2013 34 #4,294 9 #8,444
2012 24 #5,631 – –
2011 34 #4,298 6 #11,553
2010 40 #3,858 – –
2009 25 #5,620 8 #9,428
2008 53 #3,185 8 #9,424
2007 33 #4,517 5 #13,379
2006 53 #3,153 6 #11,336
2005 35 #4,067 10 #7,397
2004 56 #2,872 9 #7,869
2003 38 #3,689 6 #10,224
2002 43 #3,265 – –
2001 44 #3,167 – –
2000 56 #2,650 10 #6,578
1995 41 #2,903 8 #6,679
1990 23 #4,298 – –
1985 10 #6,668 – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Kailin, drawn from the same Social Security data as the charts above.

How old is the average Kailin?

The median living Kailin is about 21 years old. Half of all living Kailins are between 14 and 29 years old.

How many people named Kailin are alive today?

An estimated 1,400 people named Kailin are alive in the United States, based on 1,410 recorded births and Social Security life tables.

What does the name Kailin mean?

Spelling variant of Kaylin.

How popular is the name Kailin in 2025?

Kailin ranked #7,294 among girls' names in the United States in 2025, with 15 babies given the name, according to Social Security Administration data.

How many people are named Kailin?

1,410 babies have been named Kailin in the United States since 1981, based on Social Security card applications.

When was the name Kailin most popular?

Kailin peaked in 2000, when 66 newborns received the name.

Is Kailin a boy or girl name?

Kailin is used for both: about 87% of babies named Kailin have been girls and 13% boys.

Is the name Kailin rising or falling?

Kailin is declining, less popular now than a decade ago.

Names like Kailin

Names that sound and feel close to Kailin: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Kailin with similar names → More names starting with K →