girls' name ★ peaked 1998

Katelynn

Gender Girl Rank 2025 #2,736 Trend ↓ Falling 57%

A female given name from Irish, one of the modern spelling variants of Caitlin.

Rank 2025
#2,736
among girls · ↓442 vs 2024
Babies in 2025
63
named Katelynn · -22% vs 2024
How common
1 in 25,512
girls born in 2025
Peak year
1998
1,457 babies
All-time total
30,691
#823 all-time among girls
First recorded
1979
in Social Security records

Katelynn popularity over time

30,691 babies have been named Katelynn 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 5 – 5 1 – #10,929
1980s 1,624 6 1,630 163 +32500% #449
1990s 11,306 5 11,311 1,131 +594% #210
2000s 12,199 – 12,199 1,220 +8% #229
2010s 5,013 – 5,013 501 -59% #312
2020s (to 2025) 533 – 533 89 -82% #1,472

Where Katelynn 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 49 0.03 outside top 500
2028 44 0.03 outside top 500
2029 41 0.03 outside top 500
2030 38 0.02 outside top 500

Where Katelynn is most popular

Girls named Katelynn per 1,000 girls born in each state, 2021–2025. National average: 0.048 per 1,000. Strongest in Mississippi, Texas, and Utah.

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 Katelynn 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
Mississippi 7 0.150 +214%
Texas 71 0.088 +85%
Utah 5 0.060 +26%
Missouri 6 0.050 ≈ national
California 35 0.042 -13%
Tennessee 6 0.038 -21%
Florida 11 0.026 -46%
Georgia 5 0.022 -54%
North Carolina 5 0.022 -54%
Ohio 5 0.021 -56%
New York 7 0.018 -63%
Alaska – – –
Alabama – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Illinois – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Michigan – – –
Minnesota – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Pennsylvania – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Virginia – – –
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 Katelynn

Katelynn is rare for girls in the United States, ranked #2,736 in 2025 with 63 babies given the name. It is currently declining compared with a decade ago.

Since 1979, 30,691 American babies have been named Katelynn. Its peak came in 1998, when 1,457 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 Katelynn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Katelynn?

The median living Katelynn is about 24 years old; half are between 17 and 29. An estimated 30 thousand people named Katelynn 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.

Katelynn 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 63 #2,736 – –
2024 81 #2,294 – –
2023 70 #2,536 – –
2022 71 #2,516 – –
2021 102 #1,934 – –
2020 146 #1,472 – –
2019 182 #1,277 – –
2018 188 #1,242 – –
2017 188 #1,261 – –
2016 249 #1,050 – –
2015 441 #652 – –
2014 542 #566 – –
2013 619 #487 – –
2012 737 #427 – –
2011 839 #380 – –
2010 1,028 #312 – –
2009 1,031 #317 – –
2008 1,138 #293 – –
2007 1,206 #283 – –
2006 1,217 #273 – –
2005 1,113 #294 – –
2004 1,269 #255 – –
2003 1,273 #257 – –
2002 1,271 #250 – –
2001 1,293 #248 – –
2000 1,388 #229 – –
1995 1,238 #228 – –
1990 695 #378 – –
1985 106 #1,272 – –
1980 8 #7,729 – –
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 Katelynn, drawn from the same Social Security data as the charts above.

How old is the average Katelynn?

The median living Katelynn is about 24 years old. Half of all living Katelynns are between 17 and 29 years old.

How many people named Katelynn are alive today?

An estimated 30 thousand people named Katelynn are alive in the United States, based on 30,691 recorded births and Social Security life tables.

What does the name Katelynn mean?

A female given name from Irish, one of the modern spelling variants of Caitlin.

How popular is the name Katelynn in 2025?

Katelynn ranked #2,736 among girls' names in the United States in 2025, with 63 babies given the name, according to Social Security Administration data.

How many people are named Katelynn?

30,691 babies have been named Katelynn in the United States since 1979, based on Social Security card applications.

When was the name Katelynn most popular?

Katelynn peaked in 1998, when 1,457 newborns received the name.

Is Katelynn a boy or girl name?

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

Is the name Katelynn rising or falling?

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

Will Katelynn become more popular?

Katelynn is trending downward. If the recent trend holds, we project roughly 38 girls named Katelynn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Katelynn

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

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