Girls' name · since 1941

Katleen

Since 1941, U.S. Social Security records show 203 babies named Katleen, peaking in 1953. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

203
total births
1941–2009
years on record
1950s
peak decade
37%
born in that decade

Katleen sits outside today's top ranks for girls, with 203 recorded since 1941.

According to the U.S. Social Security Administration, Katleen has been recorded 203 times among girls since 1941, though it is not among the currently most-used girls names, with its heaviest use in the 1950s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1941 to 2009.

  • 203 total births
  • 1941–2009 years on record
  • 1950s peak decade
  • 37% born in that decade

Data updated Jul 2026

The verdict

203 girls have been named Katleen since 1941, peaking in the 1950s, last recorded in 2009.

203
total births
1941–2009
years on record
1950s
peak decade
37%
born in that decade
1950s
Peak decade

37% of everyone ever named Katleen was born in this single decade.

1953
Single peak year

14 babies were named Katleen in 1953 - its busiest year on record.

Katleen's usage pattern, beyond the headline number

Divide Katleen's SSA record in two at 1966 and the more recent half accounts for 44% of all births, the earlier half the remaining 56%, a genuinely balanced usage pattern. Its calmest year was 1941, with only 5 births recorded -- set against the 1953 peak of 14, that's the full swing in one name's fortunes.

Katleen at a glance

Last recorded 2009

Total births

203

Since 1941

69 years of records

Peak year

1953

14 births that year

Strongest decade: 1950s

Current rank

Unranked

Outside the modern top-1,000

As of 2009

Active since

1941

Recorded for 69 years

Last year on file: 2009

Katleen popularity over time

Annual U.S. births registered with the Social Security Administration · 1941–2009

Last recorded 2009
Peak year (1953)
14
Annual births at peak, across 69 years of records
46810121416 194119511955195919681995199920052009 5

Katleen by decade

Total births in each ten-year window, peak vs trough at a glance

1950s was Katleen's strongest decade.

76 babies received the name during that ten-year window, about 37% of all-time use.

Katleen births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 76 births (37% of all-time use).

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

Frequently Asked Questions

How popular is the name Katleen?
203 babies have been named Katleen since 1941. It was last recorded in 2009. The peak year was 1953 with 14 births.
When was Katleen most popular?
Katleen was most popular in the 1950s decade with 76 total births. The single peak year was 1953.
How long has the name Katleen been used?
Katleen has been recorded in Social Security data since 1941, spanning 69 years of data through 2009.
What names are similar to Katleen?
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 Katleen's data

  • Katleen's usage has stayed within range of its 1950s decade-level peak (76 total births) through the 2000s (30) -- a comparatively stable name, not a fading trend.
  • 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.

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, 1941–2009 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Katleen: Baby Name Since 1941 - 203 Births, Peak 1953." NameAlmanac. Accessed via https://namealmanac.com/name/katleen. 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 Katleen 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.