Girls' name · since 1979

Katlyn

Katlyn has 18,433 recorded births since 1979 in federal Social Security data, most heavily in 1995 -- full year-by-year trend, decade aggregates, and state rankings follow.

#1,127 of 72,339
all-time among girls
#8,505 of 17,297
2025 SSA year
18,433
born since 1979
1990s
peak decade

18,433 babies have been named Katlyn since 1979, making it today's #8505 girls' name.

Katlyn has 18,433 recorded births among girls since 1979, per the U.S. Social Security Administration, ranked #8505 as of the latest data, more common than 51% of girls, busiest in the 1990s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1979 to 2025.

  • #1,127 of 72,339 all-time among girls
  • #8,505 of 17,297 2025 SSA year
  • 18,433 born since 1979
  • 1990s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Katlyn ranks #1,127 of 72,339 girls' names by all-time recorded births (highest first) and #8,505 of 17,297 among girls' names in 2025. 18,433 born since 1979, peaking in the 1990s.

#1,127 of 72,339
all-time among girls
#8,505 of 17,297
2025 SSA year
18,433
born since 1979
1990s
peak decade
0%100%Median name50%50.8%
Katlyn vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Katlyn's 18,433 recorded births place it above 98.44% of the 72,339 girls names in the full SSA archive.

48 jurisdictions
State-record footprint

48 jurisdictions carry state-level records, led by Texas.

How Katlyn compares

18,433 Top 7% higher than 93% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Katlyn's all-time total is 49x the median girls name, and Olivia still leads by a wide margin.

Metric Katlyn Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 18,433 376 567,345
Peak-year births 1,260 21 19,840

Katlyn's usage pattern, beyond the headline number

Divide Katlyn's SSA record in two at 2002 and the more recent half accounts for 22% of all births, the earlier half the remaining 78%, consistent with a name more common in the past than in recent years. Its calmest year was 1979, with only 7 births recorded -- set against the 1995 peak of 1,260, that's the full swing in one name's fortunes.

Katlyn popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1979–2025

Outside the top 1,000
Peak year (1995)
1,260
Annual births at peak, across 47 years of records
05001,0001,500 197919851991199720032009201520212025 12

Katlyn popularity over time - boys

5 total births recorded since 1989 (Katlyn as boys' name)

Unisex variant - 5 births
5 1989 5

Katlyn by decade

1990s is the heaviest window (10,718 births, 58% of the file).

1990s was Katlyn's strongest decade.

10,718 babies received the name during that ten-year window, about 58% of all-time use.

Katlyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 10,718 births (58% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Katlyn compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Katlyn's total volume

Katlyn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 5.7%-143, 2.3%-140, 3.5%-146, 1.7%-132, 2.8%-146, 1.8%-133, 7.9%-40, 7.8%-144, 3.4%-91, 5.1%-146, 2.5%-141, 2.4%-44, 9.1%-32, 6.6%-113, 2.9%Katlyn-47, 6.8%Katlyn
Katlyn vs 15 similarly-sized girls names

Katlyn by state

Where Katlyn concentrates geographically, total births since 1979

Geographically diffuse
Top 8 states by recorded births for the name Katlyn
Rank State Visual share Births Share of total
#1 Texas
1,097 6.0%
#2 Ohio
1,085 5.9%
#3 Pennsylvania
983 5.3%
#4 California
924 5.0%
#5 North Carolina
837 4.5%
#6 Florida
772 4.2%
#7 Illinois
769 4.2%
#8 Michigan
742 4.0%
Texas share of Katlyn's total US births 6.0%
Even split

1,097 of 18,433 births nationwide. Compared to a flat distribution across 48 reporting states.

Katlyn appears in 48 states. Explore state details →

Frequently Asked Questions

How popular is the name Katlyn?
Katlyn has been given to 18,433 babies in the U.S. since 1979, according to SSA data. Its archive ordinal is #1,127 of 72,339 among girls' names (total births, highest first). Among girls in 2025, it is #8,505 of 17,297. 1,260 babies were born in 1995, its single highest year.
Where does Katlyn sit in the SSA name archive?
According to the U.S. Social Security Administration, Katlyn ranks #1,127 of 72,339 girls' names by all-time recorded births (highest first) and #8,505 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Katlyn most popular?
Katlyn was most popular in the 1990s decade with 10,718 total births. The single peak year was 1995.
Where is Katlyn most popular?
The top states for the name Katlyn are Texas (1,097 births), Ohio (1,085 births), Pennsylvania (983 births).
How long has the name Katlyn been used?
The SSA has tracked Katlyn since 1979 -- 47 years through the most recent 2025 data.
What names are similar to Katlyn?
Names with a similar sound or spelling include Kathleen, Katherine, Kathryn, Kathy, and 4 more. These share a common prefix and are also used for girls.

What to do with Katlyn's data

  • Katlyn's decade-level peak was the 1990s (10,718 total births); usage has since declined to 90 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Katlyns (1,097 births) -- see the full state breakdown if geography matters to your decision. Texas names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Katlyn

Nearby Names Like Katlyn

Names with a similar sound, spelling, or feel to Katlyn

Names with a similar popularity rank to Katlyn

Nationwide names with similar peak year or record span

Two nationwide peer axes for Katlyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1979–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Katlyn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.