Total births
18,433
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.
- #5497
- among girls today
- 18,433
- born since 1979
- 1990s
- peak decade
- 69%
- more common than other girls
18,433 babies have been named Katlyn since 1979, making it today's #5497 girls' name.
Katlyn has 18,433 recorded births among girls since 1979, per the U.S. Social Security Administration, ranked #5497 as of the latest data, more common than 69% 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.
- #5497 among girls today
- 18,433 born since 1979
- 1990s peak decade
- 69% more common than other girls
Data updated Jul 2026
The verdict
Katlyn is currently the #5497 girls' name in America, more common than 69% of girls - 18,433 born since 1979, peaking in the 1990s.
- #5497
- among girls today
- 18,433
- born since 1979
- 1990s
- peak decade
- 69%
- more common than other girls
Katlyn vs. every other girls name in current SSA rankings
#5497
of 17,726 girls in use
More common than 69% of names given to girls today.
1990s
Peak decade
58% of everyone ever named Katlyn was born in this single decade.
1995
Single peak year
1,260 babies were named Katlyn in 1995 - its busiest year on record.
How Katlyn compares
18,433 Top 6% higher than 94% of 17,726 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 48x the median girls name, and Olivia still leads by a wide margin.
| Metric | Katlyn | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 18,433 | 382 | 567,345 |
| Peak-year births | 1,260 | 48 | 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 at a glance
Outside the top 1,000Peak year
1995
Current rank
#5,497
Active since
1979
Katlyn popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1979–2025
- Peak year (1995)
- 1,260
- Annual births at peak, across 47 years of records
Katlyn popularity over time - boys
5 total births recorded since 1989 (Katlyn as boys' name)
Katlyn by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1970s 7
1970s
7 births
- 1980s 1,917
1980s
1,917 births
- 1990s
1990s
10,718 births
- 2000s
2000s
5,077 births
- 2010s 624
2010s
624 births
- 2020s 90
2020s
90 births
What this shows Peak: 1990s at 10,718 births (58% of all-time use).
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
Katlyn by state
Where Katlyn concentrates geographically, total births since 1979
| 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. Among girls, it ranks #5497 as of the latest data. 1,260 babies were born in 1995, its single highest year.
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
- Weighing it against an alternative? Put two names side by side. Compare 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
Kathleen Girl
#1099 713,645 births
Katherine Girl
#175 650,926 births
Kathryn Girl
#714 455,423 births
Kathy Girl
#2699 334,131 births
Katie Girl
#576 241,285 births
Compare Katlyn side by side: Katlyn vs Kathleen Katlyn vs Katherine Katlyn vs Kathryn
Related Names
Names with a similar popularity rank to Katlyn
Data Sources
Data as of July 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).
Cite this page
NameAlmanac Editorial. "Katlyn: #5497 Girls' Name - 18,433 Births, Peak 1995." NameAlmanac. Accessed via https://namealmanac.com/name/katlyn. Licensed CC BY-SA 4.0.
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 July 2026.