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How Many People Are Named Kathleen?
Estimated people named Kathleen living in the U.S. today
467,535
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 715,129
- Peak year: 1951 (26,749 births)
- Estimated living today: 467,535
Kathleen by age group — who carries the name today?
Kathleen popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Kathleen
Kathleen has been recorded by the Social Security Administration since the 19th century dataset began. In total, 715,129 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 467,535 bearers are still living — roughly 1 in 731 Americans. The name's strongest decade shapes how old most Kathleens you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Kathleen in the US?
An estimated 467,535 people named Kathleen are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Kathleen uncommon — about 1 in 731 Americans.
Is Kathleen a boy or girl name?
In SSA records, Kathleen is 0% male and 100% female, so it is predominantly a female name.
When was Kathleen most popular?
Kathleen peaked in 1951, when 26,749 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Kathleen?
Kathleen ranks #91 of 104,819 first names recorded by the SSA, with a rarity score of 34 out of 100 (higher means rarer).