Total births
29
Girls' name · since 1951
Kathileen
Kathileen has 29 recorded births since 1951 in federal Social Security data, most heavily in 1952 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 29
- total births
- 1951–1959
- years on record
- 1950s
- peak decade
- 100%
- born in that decade
29 girls have been named Kathileen since 1951, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Kathileen has been recorded 29 times among girls since 1951, 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 1951 to 1959.
- 29 total births
- 1951–1959 years on record
- 1950s peak decade
- 100% born in that decade
Data updated Jul 2026
The verdict
29 girls have been named Kathileen since 1951, peaking in the 1950s, last recorded in 1959.
- 29
- total births
- 1951–1959
- years on record
- 1950s
- peak decade
- 100%
- born in that decade
1950s
Peak decade
100% of everyone ever named Kathileen was born in this single decade.
1952
Single peak year
7 babies were named Kathileen in 1952 - its busiest year on record.
Kathileen's usage pattern, beyond the headline number
Divide Kathileen's SSA record in two at 1954 and the more recent half accounts for 55% of all births, the earlier half the remaining 45%, a genuinely balanced usage pattern. Its calmest year was 1954, with only 5 births recorded -- set against the 1952 peak of 7, that's the full swing in one name's fortunes.
Kathileen at a glance
Last recorded 1959Peak year
1952
Current rank
Unranked
Active since
1951
Kathileen popularity over time
Annual U.S. births registered with the Social Security Administration · 1951–1959
- Peak year (1952)
- 7
- Annual births at peak, across 9 years of records
Kathileen by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Kathileen's strongest decade.
29 babies received the name during that ten-year window, about 100% of all-time use.
Kathileen births by decade
Total births in each ten-year window
- 1950s
1950s
29 births
What this shows Peak: 1950s at 29 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Kathileen? ▼
Kathileen has been given to 29 babies in the U.S. since 1951, according to SSA data. Its last appearance in the data was 1959. 7 babies were born in 1952, its single highest year.
When was Kathileen most popular? ▼
Kathileen was most popular in the 1950s decade with 29 total births. The single peak year was 1952.
How long has the name Kathileen been used? ▼
The SSA has tracked Kathileen since 1951 -- 9 years through the most recent 1959 data.
What names are similar to Kathileen? ▼
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.
Keep exploring Kathileen
Nearby Names Like Kathileen
Names with a similar sound, spelling, or feel to Kathileen
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 Kathileen side by side: Kathileen vs Kathleen Kathileen vs Katherine Kathileen 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, 1951–1959 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kathileen: Baby Name Since 1951 - 29 Births, Peak 1952." NameAlmanac. Accessed via https://namealmanac.com/name/kathileen. 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 Kathileen 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.