Girls' name · since 1923

Cathlyn

Since 1923, U.S. Social Security records show 361 babies named Cathlyn, peaking in 1953. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#14,388 of 72,339
all-time among girls
361
born since 1923
1950s
peak decade

Cathlyn sits outside today's top ranks for girls, with 361 recorded since 1923.

Cathlyn has 361 recorded births among girls since 1923, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1923 to 2024.

  • #14,388 of 72,339 all-time among girls
  • 361 born since 1923
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cathlyn ranks #14,388 of 72,339 girls' names by all-time recorded births (highest first). 361 born since 1923, peaking in the 1950s.

#14,388 of 72,339
all-time among girls
361
born since 1923
1950s
peak decade
Above the archive median
All-time archive position

Cathlyn's 361 recorded births place it above 80.07% of the 72,339 girls names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by Texas.

Cathlyn's usage pattern, beyond the headline number

Divide Cathlyn's SSA record in two at 1971 and the more recent half accounts for 43% of all births, the earlier half the remaining 57%, a genuinely balanced usage pattern. Its calmest year was 1923, with only 5 births recorded -- set against the 1953 peak of 18, that's the full swing in one name's fortunes.

Cathlyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1923–2024

Last recorded 2024
Peak year (1953)
18
Annual births at peak, across 102 years of records
05101520 192319491955196319721990199820042024 12

Cathlyn by decade

1950s is the heaviest window (105 births, 29% of the file).

1950s was Cathlyn's strongest decade.

105 babies received the name during that ten-year window, about 29% of all-time use.

Cathlyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 105 births (29% of all-time use).

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

Cathlyn by state

Where Cathlyn concentrates geographically, total births since 1923

Geographically diffuse
Top 1 states by recorded births for the name Cathlyn
Rank State Visual share Births Share of total
#1 Texas
5 1.4%
Texas share of Cathlyn's total US births 1.4%

5 of 361 births nationwide.

Frequently Asked Questions

How popular is the name Cathlyn?
361 babies have been named Cathlyn since 1923. All-time, it sits at #14,388 of 72,339 girls' names by recorded births. It was last recorded in 2024. The peak year was 1953 with 18 births.
Where does Cathlyn sit in the SSA name archive?
According to the U.S. Social Security Administration, Cathlyn ranks #14,388 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Cathlyn most popular?
Cathlyn was most popular in the 1950s decade with 105 total births. The single peak year was 1953.
Where is Cathlyn most popular?
The top states for the name Cathlyn are Texas (5 births).
How long has the name Cathlyn been used?
Records for Cathlyn go back to 1923, giving 102 years of history through 2024.
What names are similar to Cathlyn?
Names with a similar sound or spelling include Catherine, Cathy, Catalina, Cathleen, and 4 more. These share a common prefix and are also used for girls.

What to do with Cathlyn's data

  • Cathlyn's decade-level peak was the 1950s (105 total births); usage has since declined to 12 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Cathlyns (5 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 Cathlyn

Nearby Names Like Cathlyn

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cathlyn: 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, 1923–2024 (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 Cathlyn 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.