Baby Names US
girls' name ★ peaked 1995

Katlyn

Gender Girl Rank 2025 #8,612
Rank 2025
#8,612
among girls · ↓3,084 vs 2024
Babies in 2025
12
named Katlyn · -48% vs 2024
How common
1 in 133,939
girls born in 2025
Peak year
1995
1,260 babies
All-time total
18,438
#1,127 all-time among girls
First recorded
1979
in Social Security records

Katlyn popularity over time

18,438 babies have been named Katlyn since 1979, 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
0.250.50.75118801900192019401960198020002020GirlsBoys
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 7 – 7 1 – #8,454
1980s 1,917 5 1,922 192 +27357% #401
1990s 10,718 – 10,718 1,072 +458% #223
2000s 5,077 – 5,077 508 -53% #330
2010s 624 – 624 62 -88% #1,540
2020s (to 2025) 90 – 90 15 -76% #5,528

The story of Katlyn

Katlyn is rare for girls in the United States, ranked #8,612 in 2025 with 12 babies given the name. It is currently declining compared with a decade ago.

Since 1979, 18,438 American babies have been named Katlyn. Its peak came in 1995, when 1,260 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 Katlyn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Katlyn?

The median living Katlyn is about 28 years old; half are between 24 and 32. An estimated 18 thousand people named Katlyn are alive in the United States today.

median 28 020406080100

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

Katlyn 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 12 #8,612 – –
2024 23 #5,528 – –
2023 21 #5,852 – –
2022 15 #7,457 – –
2021 8 #11,636 – –
2020 11 #9,237 – –
2019 27 #4,974 – –
2018 26 #5,078 – –
2017 19 #6,412 – –
2016 30 #4,679 – –
2015 50 #3,277 – –
2014 60 #2,869 – –
2013 66 #2,675 – –
2012 83 #2,275 – –
2011 118 #1,743 – –
2010 145 #1,540 – –
2009 195 #1,256 – –
2008 217 #1,181 – –
2007 275 #978 – –
2006 348 #788 – –
2005 457 #619 – –
2004 515 #553 – –
2003 566 #505 – –
2002 694 #418 – –
2001 848 #352 – –
2000 962 #330 – –
1995 1,260 #223 – –
1990 779 #343 – –
1985 141 #1,052 – –
1980 12 #5,693 – –
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 Katlyn, drawn from the same Social Security data as the charts above.

How old is the average Katlyn?

The median living Katlyn is about 28 years old. Half of all living Katlyns are between 24 and 32 years old.

How many people named Katlyn are alive today?

An estimated 18 thousand people named Katlyn are alive in the United States, based on 18,438 recorded births and Social Security life tables.

How popular is the name Katlyn in 2025?

Katlyn ranked #8,612 among girls' names in the United States in 2025, with 12 babies given the name, according to Social Security Administration data.

How many people are named Katlyn?

18,438 babies have been named Katlyn in the United States since 1979, based on Social Security card applications.

When was the name Katlyn most popular?

Katlyn peaked in 1995, when 1,260 newborns received the name.

Is Katlyn a boy or girl name?

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

Is the name Katlyn rising or falling?

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

Names like Katlyn

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

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