Girls' name · since 1946

Kathlen

Since 1946, U.S. Social Security records show 85 babies named Kathlen, peaking in 1951. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#28,961 of 72,339
all-time among girls
85
born since 1946
1950s
peak decade

Kathlen sits outside today's top ranks for girls, with 85 recorded since 1946.

Social Security Administration records show Kathlen recorded 85 times among girls since 1946, though it doesn't currently rank among the most-used girls names, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1946 to 1999.

  • #28,961 of 72,339 all-time among girls
  • 85 born since 1946
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kathlen ranks #28,961 of 72,339 girls' names by all-time recorded births (highest first). 85 born since 1946, peaking in the 1950s.

#28,961 of 72,339
all-time among girls
85
born since 1946
1950s
peak decade
Below the archive median
All-time archive position

Kathlen's 85 recorded births place it above 59.84% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Kathlen's usage pattern, beyond the headline number

Kathlen splits its recorded history at 1953: 47% of all births land in the more recent half, 53% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1946 (5 births) -- compare that against the 1951 peak of 10 for a sense of just how much the name's popularity has swung.

Kathlen popularity over time

Annual U.S. births registered with the Social Security Administration · 1946–1999

Last recorded 1999
Peak year (1951)
10
Annual births at peak, across 54 years of records
4681012 19461948195019521954196019941999 5

Kathlen by decade

1950s is the heaviest window (40 births, 47% of the file).

1950s was Kathlen's strongest decade.

40 babies received the name during that ten-year window, about 47% of all-time use.

Kathlen births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 40 births (47% of all-time use).

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

Frequently Asked Questions

How popular is the name Kathlen?
Kathlen has been given to 85 babies in the U.S. since 1946, according to SSA data. Its archive ordinal is #28,961 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 1999. 10 babies were born in 1951, its single highest year.
Where does Kathlen sit in the SSA name archive?
According to the U.S. Social Security Administration, Kathlen ranks #28,961 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 Kathlen most popular?
Kathlen was most popular in the 1950s decade with 40 total births. The single peak year was 1951.
How long has the name Kathlen been used?
Kathlen has been recorded in Social Security data since 1946, spanning 54 years of data through 1999.
What names are similar to Kathlen?
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 Kathlen's data

  • Kathlen's decade-level peak was the 1950s (40 total births); usage has since declined to 10 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.

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

Keep exploring Kathlen

Nearby Names Like Kathlen

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kathlen: 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, 1946–1999 (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 Kathlen 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.