Baby Names US
girls' name ★ peaked 1994

Kaylyn

Gender Girl Rank 2025 #2,525 Trend ↓ Falling 27%
Rank 2025
#2,525
among girls · ↑345 vs 2024
Babies in 2025
70
named Kaylyn · +21% vs 2024
How common
1 in 22,961
girls born in 2025
Peak year
1994
464 babies
All-time total
12,091
#1,491 all-time among girls
First recorded
1949
in Social Security records

Kaylyn popularity over time

12,091 babies have been named Kaylyn 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
0.080.150.230.318801900192019401960198020002020GirlsBoys
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 – #5,635
1950s 35 – 35 4 +600% #4,462
1960s 131 – 131 13 +274% #2,821
1970s 125 – 125 13 -5% #4,119
1980s 941 – 941 94 +653% #749
1990s 4,039 21 4,060 406 +331% #519
2000s 4,178 12 4,190 419 +3% #589
2010s 2,153 – 2,153 215 -49% #769
2020s (to 2025) 446 5 451 75 -65% #2,000

Where Kaylyn 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 66 0.04 outside top 500
2027 62 0.04 outside top 500
2028 60 0.04 outside top 500
2029 58 0.04 outside top 500
2030 56 0.03 outside top 500

Where Kaylyn is most popular

Girls named Kaylyn per 1,000 girls born in each state, 2021–2025. National average: 0.046 per 1,000. Strongest in Arkansas, Georgia, and New York.

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 Kaylyn 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
Arkansas 5 0.095 +106%
Georgia 12 0.053 +15%
New York 17 0.043 -6%
Indiana 5 0.036 -22%
Washington 5 0.035 -25%
Texas 26 0.032 -29%
Florida 12 0.028 -39%
Pennsylvania 6 0.025 -45%
Illinois 5 0.022 -52%
California 13 0.015 -66%
Alaska – – –
Alabama – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Michigan – – –
Minnesota – – –
Missouri – – –
Mississippi – – –
Montana – – –
North Carolina – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
New Mexico – – –
Nevada – – –
Ohio – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Tennessee – – –
Utah – – –
Virginia – – –
Vermont – – –
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 Kaylyn

Kaylyn is rare for girls in the United States, ranked #2,525 in 2025 with 70 babies given the name. It is currently declining compared with a decade ago.

Since 1949, 12,091 American babies have been named Kaylyn. Its peak came in 1994, when 464 newborns received the name, the signature sound of the 1990s.

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 Kaylyn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaylyn?

The median living Kaylyn is about 24 years old; half are between 16 and 31. An estimated 12 thousand people named Kaylyn are alive in the United States today.

median 24 020406080100

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

Kaylyn 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 70 #2,525 – –
2024 58 #2,870 – –
2023 77 #2,372 – –
2022 70 #2,543 5 #13,335
2021 97 #2,000 – –
2020 74 #2,389 – –
2019 101 #1,942 – –
2018 119 #1,733 – –
2017 131 #1,647 – –
2016 167 #1,400 – –
2015 192 #1,272 – –
2014 201 #1,216 – –
2013 255 #985 – –
2012 277 #927 – –
2011 354 #769 – –
2010 356 #770 – –
2009 413 #703 – –
2008 411 #723 – –
2007 462 #642 – –
2006 409 #693 – –
2005 420 #662 5 #12,412
2004 396 #690 7 #9,466
2003 408 #651 – –
2002 430 #600 – –
2001 392 #644 – –
2000 437 #589 – –
1995 436 #546 6 #8,349
1990 315 #678 – –
1985 72 #1,642 – –
1980 19 #4,059 – –
1975 11 #5,303 – –
1970 13 #4,354 – –
1965 11 #4,064 – –
1960 7 #5,424 – –
1955 – – – –
1950 5 #5,690 – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

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

How old is the average Kaylyn?

The median living Kaylyn is about 24 years old. Half of all living Kaylyns are between 16 and 31 years old.

How many people named Kaylyn are alive today?

An estimated 12 thousand people named Kaylyn are alive in the United States, based on 12,091 recorded births and Social Security life tables.

How popular is the name Kaylyn in 2025?

Kaylyn ranked #2,525 among girls' names in the United States in 2025, with 70 babies given the name, according to Social Security Administration data.

How many people are named Kaylyn?

12,091 babies have been named Kaylyn in the United States since 1949, based on Social Security card applications.

When was the name Kaylyn most popular?

Kaylyn peaked in 1994, when 464 newborns received the name.

Is Kaylyn a boy or girl name?

Kaylyn is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Kaylyn rising or falling?

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

Will Kaylyn become more popular?

Kaylyn is trending downward. If the recent trend holds, we project roughly 56 girls named Kaylyn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kaylyn

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

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