Baby Names US
girls' name ★ peaked 2007

Kaylin

Gender Girl · 3% boys Rank 2025 #1,644 Trend ↓ Falling 41%

A female given name originating as a coinage, variant of Kaylyn.

Rank 2025
#1,644
among girls · ↓216 vs 2024
Babies in 2025
133
named Kaylin · -19% vs 2024
How common
1 in 12,756
girls born in 2025
Peak year
2007
894 babies
All-time total
19,934
#1,091 all-time among girls
First recorded
1953
in Social Security records

Kaylin popularity over time

19,934 babies have been named Kaylin since 1953, 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
0.130.250.380.518801900192019401960198020002020GirlsBoys
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 11 – 11 1 – #5,605
1960s 65 – 65 7 +491% #4,054
1970s 69 – 69 7 +6% #4,725
1980s 1,004 28 1,032 103 +1396% #783
1990s 4,616 187 4,803 480 +365% #432
2000s 7,373 187 7,560 756 +57% #371
2010s 5,128 159 5,287 529 -30% #396
2020s (to 2025) 1,041 66 1,107 185 -65% #1,141

Where Kaylin is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 115 0.07 outside top 500
2027 107 0.07 outside top 500
2028 100 0.06 outside top 500
2029 95 0.06 outside top 500
2030 90 0.06 outside top 500

Where Kaylin is most popular

Girls named Kaylin per 1,000 girls born in each state, 2021–2025. National average: 0.103 per 1,000. Strongest in Georgia, Virginia, and North Carolina.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Kaylin born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Girls 2021–2025 Per 1,000 vs national
Georgia 42 0.185 +80%
Virginia 27 0.158 +54%
North Carolina 36 0.158 +54%
Missouri 16 0.133 +29%
Mississippi 6 0.128 +25%
Louisiana 11 0.126 +22%
Texas 101 0.126 +22%
Florida 53 0.124 +20%
Pennsylvania 28 0.118 +15%
New York 43 0.109 +6%
Maryland 10 0.094 -8%
New Jersey 16 0.089 -14%
Iowa 5 0.086 -17%
California 70 0.083 -19%
Wisconsin 8 0.078 -24%
Ohio 18 0.076 -26%
Washington 7 0.048 -53%
Tennessee 6 0.038 -63%
Indiana 5 0.036 -65%
Illinois 7 0.031 -70%
Michigan 5 0.027 -73%
Alaska – – –
Alabama – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Idaho – – –
Kansas – – –
Kentucky – – –
Massachusetts – – –
Maine – – –
Minnesota – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Utah – – –
Vermont – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kaylin

Kaylin is rare for girls in the United States, ranked #1,644 in 2025 with 126 babies given the name. It is currently declining compared with a decade ago.

Since 1953, 19,934 American babies have been named Kaylin. Its peak came in 2007, when 894 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 Kaylin stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaylin?

The median living Kaylin is about 20 years old; half are between 14 and 27. An estimated 20 thousand people named Kaylin are alive in the United States today.

median 20 020406080100

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

Kaylin 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 126 #1,644 7 #10,199
2024 156 #1,428 8 #9,430
2023 144 #1,503 16 #5,794
2022 192 #1,252 12 #7,030
2021 216 #1,141 15 #5,905
2020 207 #1,147 8 #9,150
2019 260 #995 12 #6,987
2018 285 #937 11 #7,378
2017 283 #933 9 #8,506
2016 357 #798 5 #13,238
2015 467 #620 14 #6,150
2014 567 #546 18 #5,164
2013 664 #461 15 #5,805
2012 666 #468 30 #3,589
2011 772 #410 23 #4,289
2010 807 #396 22 #4,444
2009 866 #371 22 #4,508
2008 869 #377 20 #4,820
2007 868 #379 26 #3,959
2006 799 #402 19 #4,781
2005 751 #416 17 #4,937
2004 699 #436 21 #4,191
2003 677 #442 14 #5,418
2002 587 #478 16 #4,813
2001 625 #445 18 #4,384
2000 632 #450 14 #5,190
1995 541 #468 22 #3,146
1990 292 #719 10 #5,198
1985 91 #1,404 – –
1980 13 #5,370 – –
1975 7 #7,517 – –
1970 11 #4,893 – –
1965 10 #4,340 – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

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

How old is the average Kaylin?

The median living Kaylin is about 20 years old. Half of all living Kaylins are between 14 and 27 years old.

How many people named Kaylin are alive today?

An estimated 20 thousand people named Kaylin are alive in the United States, based on 19,934 recorded births and Social Security life tables.

What does the name Kaylin mean?

A female given name originating as a coinage, variant of Kaylyn.

How popular is the name Kaylin in 2025?

Kaylin ranked #1,644 among girls' names in the United States in 2025, with 126 babies given the name, according to Social Security Administration data.

How many people are named Kaylin?

19,934 babies have been named Kaylin in the United States since 1953, based on Social Security card applications.

When was the name Kaylin most popular?

Kaylin peaked in 2007, when 894 newborns received the name.

Is Kaylin a boy or girl name?

Kaylin is overwhelmingly a girl's name: 97% of babies with the name.

Is the name Kaylin rising or falling?

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

Will Kaylin become more popular?

Kaylin is trending downward. If the recent trend holds, we project roughly 90 girls named Kaylin in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kaylin

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

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