Total births
541
Girls' name · since 1914
Kathyleen
Kathyleen has 541 recorded births since 1914 in federal Social Security data, most heavily in 1951 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 541
- total births
- 1914–1998
- years on record
- 1950s
- peak decade
- 33%
- born in that decade
Kathyleen sits outside today's top ranks for girls, with 541 recorded since 1914.
According to the U.S. Social Security Administration, Kathyleen has been recorded 541 times among girls since 1914, 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 1914 to 1998.
- 541 total births
- 1914–1998 years on record
- 1950s peak decade
- 33% born in that decade
Data updated Jul 2026
The verdict
541 girls have been named Kathyleen since 1914, peaking in the 1950s, last recorded in 1998.
- 541
- total births
- 1914–1998
- years on record
- 1950s
- peak decade
- 33%
- born in that decade
1950s
Peak decade
33% of everyone ever named Kathyleen was born in this single decade.
1951
Single peak year
26 babies were named Kathyleen in 1951 - its busiest year on record.
Kathyleen's usage pattern, beyond the headline number
Kathyleen splits its recorded history at 1949: 61% of all births land in the more recent half, 39% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1914 (5 births) -- compare that against the 1951 peak of 26 for a sense of just how much the name's popularity has swung.
Kathyleen at a glance
Last recorded 1998Peak year
1951
Current rank
Unranked
Active since
1914
Kathyleen popularity over time
Annual U.S. births registered with the Social Security Administration · 1914–1998
- Peak year (1951)
- 26
- Annual births at peak, across 85 years of records
Kathyleen by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Kathyleen's strongest decade.
176 babies received the name during that ten-year window, about 33% of all-time use.
Kathyleen births by decade
Total births in each ten-year window
- 1910s 27
1910s
27 births
- 1920s 56
1920s
56 births
- 1930s 38
1930s
38 births
- 1940s
1940s
107 births
- 1950s
1950s
176 births
- 1960s
1960s
100 births
- 1970s 26
1970s
26 births
- 1980s 6
1980s
6 births
- 1990s 5
1990s
5 births
What this shows Peak: 1950s at 176 births (33% of all-time use).
How Kathyleen 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 Kathyleen's total volume
Kathyleen vs 15 similarly-sized girls names
Kathyleen by state
Where Kathyleen concentrates geographically, total births since 1914
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 6 | 1.1% |
California share of Kathyleen's total US births 1.1%
6 of 541 births nationwide.
Frequently Asked Questions
How popular is the name Kathyleen? ▼
Since 1914, Social Security records show 541 babies named Kathyleen. The most recent recorded year was 1998. Its busiest year on record was 1951, with 26 births.
When was Kathyleen most popular? ▼
Kathyleen was most popular in the 1950s decade with 176 total births. The single peak year was 1951.
Where is Kathyleen most popular? ▼
The top states for the name Kathyleen are California (6 births).
How long has the name Kathyleen been used? ▼
The SSA has tracked Kathyleen since 1914 -- 85 years through the most recent 1998 data.
What names are similar to Kathyleen? ▼
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 Kathyleen's data
- Kathyleen's decade-level peak was the 1950s (176 total births); usage has since declined to 5 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kathyleens (6 births) -- see the full state breakdown if geography matters to your decision. California 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 Kathyleen
Nearby Names Like Kathyleen
Names with a similar sound, spelling, or feel to Kathyleen
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 Kathyleen side by side: Kathyleen vs Kathleen Kathyleen vs Katherine Kathyleen vs Kathryn
Related Names
Names with a similar number of total births
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, 1914–1998 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kathyleen: Baby Name Since 1914 - 541 Births, Peak 1951." NameAlmanac. Accessed via https://namealmanac.com/name/kathyleen. 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 Kathyleen 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.