Girls' name · since 1880

Kathleen

713,645 babies named Kathleen in U.S. Social Security records since 1880, with the highest year being 1951. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#34 of 72,339
all-time among girls
#1,151 of 17,297
2025 SSA year
713,645
born since 1880
1950s
peak decade

Kathleen currently ranks #1151 among girls' names in America, with 713,645 babies recorded since 1880.

According to the U.S. Social Security Administration, Kathleen has been recorded 713,645 times among girls since 1880, currently ranked #1151 nationally and more common than 93% of girls, 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 1880 to 2025.

  • #34 of 72,339 all-time among girls
  • #1,151 of 17,297 2025 SSA year
  • 713,645 born since 1880
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kathleen ranks #34 of 72,339 girls' names by all-time recorded births (highest first) and #1,151 of 17,297 among girls' names in 2025. 713,645 born since 1880, peaking in the 1950s.

#34 of 72,339
all-time among girls
#1,151 of 17,297
2025 SSA year
713,645
born since 1880
1950s
peak decade
0%100%Median name50%93.3%
Kathleen vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Kathleen's 713,645 recorded births place it above 99.95% of the 72,339 girls names in the full SSA archive.

51 jurisdictions
State-record footprint

51 jurisdictions carry state-level records, led by New York.

How Kathleen compares

713,645 Top 1% higher than 99% of 17,297 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

Kathleen's all-time total is 1,898x the median girls name, and Olivia still leads by a wide margin.

Metric Kathleen Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 713,645 376 567,345
Peak-year births 26,716 21 19,840

Kathleen's usage pattern, beyond the headline number

Kathleen splits its recorded history at 1953: 55% of all births land in the more recent half, 45% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1881 (13 births) -- compare that against the 1951 peak of 26,716 for a sense of just how much the name's popularity has swung.

Kathleen popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1880–2025

Outside the top 1,000
Peak year (1951)
26,716
Annual births at peak, across 146 years of records
010,00020,00030,000 188018991918193719561975199420132025 201

Kathleen popularity over time - boys

1,691 total births recorded since 1915 (Kathleen as boys' name)

Unisex variant - 1,691 births
0204060 191519291938194719561965197419831991 5

Kathleen by decade

1950s is the heaviest window (224,342 births, 31% of the file).

1950s was Kathleen's strongest decade.

224,342 babies received the name during that ten-year window, about 31% of all-time use.

Kathleen births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 224,342 births (31% of all-time use).

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

How Kathleen 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 Kathleen's total volume

Kathleen vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8% 125130135140145150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 5.5%-126, 3.9%-146, 4.6%-146, 6.2%-146, 7.4%-135, 3.3%-146, 3.8%-146, 2.2%-146, 1.8%-146, 4.5%-146, 2.9%-146, 1.8%-146, 2.9%-146, 2.2%-146, 5.3%Kathleen-146, 3.7%Kathleen
Kathleen vs 15 similarly-sized girls names

Kathleen by state

Where Kathleen concentrates geographically, total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Kathleen
Rank State Visual share Births Share of total
#1 New York
91,651 12.8%
#2 Pennsylvania
62,495 8.8%
#3 California
60,932 8.5%
#4 Illinois
48,681 6.8%
#5 Ohio
40,561 5.7%
#6 Massachusetts
39,421 5.5%
#7 Michigan
38,756 5.4%
#8 New Jersey
35,950 5.0%
New York share of Kathleen's total US births 12.8%
Even split

91,651 of 713,645 births nationwide. Compared to a flat distribution across 51 reporting states.

Kathleen appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Kathleen?
Kathleen has been given to 713,645 babies in the U.S. since 1880, according to SSA data. Its archive ordinal is #34 of 72,339 among girls' names (total births, highest first). Among girls in 2025, it is #1,151 of 17,297. 26,716 babies were born in 1951, its single highest year.
Where does Kathleen sit in the SSA name archive?
According to the U.S. Social Security Administration, Kathleen ranks #34 of 72,339 girls' names by all-time recorded births (highest first) and #1,151 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Kathleen most popular?
Kathleen was most popular in the 1950s decade with 224,342 total births. The single peak year was 1951.
Where is Kathleen most popular?
The top states for the name Kathleen are New York (91,651 births), Pennsylvania (62,495 births), California (60,932 births).
How long has the name Kathleen been used?
Records for Kathleen go back to 1880, giving 146 years of history through 2025.
What names are similar to Kathleen?
Names with a similar sound or spelling include Katherine, Kathryn, Kathy, Katie, and 4 more. These share a common prefix and are also used for girls.

What to do with Kathleen's data

  • Kathleen's decade-level peak was the 1950s (224,342 total births); usage has since declined to 1,415 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • New York records the most Kathleens (91,651 births) -- see the full state breakdown if geography matters to your decision. New York names

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

Keep exploring Kathleen

Nearby Names Like Kathleen

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

Names with a similar popularity rank to Kathleen

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kathleen: 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, 1880–2025 (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 Kathleen 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.