Baby Names US
Unisex name ★ peaked 2009

Kaylen

Gender Unisex · 84% girls Rank 2025 #2,796 Trend ↓ Falling 43%
Rank 2025
#2,796
among girls · ↑562 vs 2024
Babies in 2025
97
named Kaylen · +28% vs 2024
How common
1 in 26,349
girls born in 2025
Peak year
2009
489 babies
All-time total
8,504
#2,046 all-time among girls
First recorded
1949
in Social Security records

Kaylen popularity over time

8,504 babies have been named Kaylen since 1949, 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
0.060.130.190.2518801900192019401960198020002020GirlsBoys
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 5 – 5 1 – #5,634
1950s – – – – – –
1960s 12 – 12 1 – #5,583
1970s 22 – 22 2 +83% #5,979
1980s 318 46 364 36 +1555% #1,860
1990s 1,321 224 1,545 155 +324% #987
2000s 2,821 376 3,197 320 +107% #688
2010s 2,185 447 2,632 263 -18% #798
2020s (to 2025) 466 261 727 121 -54% #1,875

Where Kaylen 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 55 0.03 outside top 500
2027 51 0.03 outside top 500
2028 48 0.03 outside top 500
2029 45 0.03 outside top 500
2030 43 0.03 outside top 500

Where Kaylen is most popular

Girls named Kaylen per 1,000 girls born in each state, 2021–2025. National average: 0.045 per 1,000. Strongest in Alabama, California, and Texas.

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 Kaylen 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
Alabama 6 0.064 +43%
California 48 0.057 +28%
Texas 38 0.047 +6%
Virginia 7 0.041 -8%
Georgia 9 0.040 -11%
Tennessee 5 0.032 -29%
New York 12 0.030 -32%
Michigan 5 0.027 -39%
North Carolina 6 0.026 -41%
Florida 10 0.023 -48%
Alaska – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Illinois – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Minnesota – – –
Missouri – – –
Mississippi – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
New Mexico – – –
Nevada – – –
Ohio – – –
Oklahoma – – –
Oregon – – –
Pennsylvania – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Utah – – –
Vermont – – –
Washington – – –
Wisconsin – – –
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 Kaylen

Kaylen is rare for girls in the United States, ranked #2,796 in 2025 with 61 babies given the name. It is currently declining compared with a decade ago.

Since 1949, 8,504 American babies have been named Kaylen, about 84% girls and 16% boys, making it a genuinely unisex name. Its peak came in 2009, when 489 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 Kaylen stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaylen?

The median living Kaylen is about 17 years old; half are between 12 and 25. An estimated 8,400 people named Kaylen are alive in the United States today.

median 17 020406080100

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

Kaylen 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 61 #2,796 36 #3,275
2024 47 #3,358 29 #3,850
2023 78 #2,347 56 #2,427
2022 90 #2,130 50 #2,658
2021 87 #2,165 46 #2,755
2020 103 #1,875 44 #2,785
2019 105 #1,906 40 #3,026
2018 130 #1,636 31 #3,575
2017 146 #1,521 38 #3,102
2016 160 #1,443 36 #3,191
2015 210 #1,194 44 #2,741
2014 239 #1,073 52 #2,446
2013 269 #939 54 #2,348
2012 273 #937 52 #2,432
2011 310 #850 49 #2,528
2010 343 #798 51 #2,451
2009 425 #688 64 #2,130
2008 407 #733 50 #2,530
2007 335 #848 52 #2,463
2006 306 #871 30 #3,481
2005 310 #827 37 #2,873
2004 235 #1,005 33 #3,049
2003 233 #995 29 #3,240
2002 197 #1,081 34 #2,792
2001 189 #1,120 22 #3,789
2000 184 #1,110 25 #3,372
1995 126 #1,320 28 #2,654
1990 87 #1,693 21 #3,011
1985 32 #2,893 7 #5,459
1980 5 #11,142 – –
1975 6 #8,464 – –
1970 – – – –
1965 5 #6,976 – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

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

How old is the average Kaylen?

The median living Kaylen is about 17 years old. Half of all living Kaylens are between 12 and 25 years old.

How many people named Kaylen are alive today?

An estimated 8,400 people named Kaylen are alive in the United States, based on 8,504 recorded births and Social Security life tables.

How popular is the name Kaylen in 2025?

Kaylen ranked #2,796 among girls' names in the United States in 2025, with 61 babies given the name, according to Social Security Administration data.

How many people are named Kaylen?

8,504 babies have been named Kaylen in the United States since 1949, based on Social Security card applications.

When was the name Kaylen most popular?

Kaylen peaked in 2009, when 489 newborns received the name.

Is Kaylen a boy or girl name?

Kaylen is used for both: about 84% of babies named Kaylen have been girls and 16% boys.

Is the name Kaylen rising or falling?

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

Will Kaylen become more popular?

Kaylen is trending downward. If the recent trend holds, we project roughly 43 girls named Kaylen in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kaylen

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

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