Girls' name · since 1957
Kathllen
18 babies named Kathllen in U.S. Social Security records since 1957, with the highest year being 1957. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #47,044 of 72,339
- all-time among girls
- 18
- born since 1957
- 1950s
- peak decade
Kathllen sits outside today's top ranks for girls, with 18 recorded since 1957.
Social Security Administration records show Kathllen recorded 18 times among girls since 1957, though it doesn't currently rank among the most-used girls names, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1957 to 1959.
- #47,044 of 72,339 all-time among girls
- 18 born since 1957
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kathllen ranks #47,044 of 72,339 girls' names by all-time recorded births (highest first). 18 born since 1957, peaking in the 1950s.
- #47,044 of 72,339
- all-time among girls
- 18
- born since 1957
- 1950s
- peak decade
Kathllen's 18 recorded births place it above 34.45% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Kathllen's usage pattern, beyond the headline number
Splitting Kathllen's full recorded timeline at 1958, 67% of its total births fall in the more recent half of the record versus 33% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1957, with just 6 recorded births.
Kathllen popularity over time
Annual U.S. births registered with the Social Security Administration · 1957–1959
- Peak year (1957)
- 6
- Annual births at peak, across 3 years of records
Kathllen by decade
1950s is the heaviest window (18 births, 100% of the file).
1950s was Kathllen's strongest decade.
18 babies received the name during that ten-year window, about 100% of all-time use.
Kathllen births by decade
Total births in each ten-year window
- 1950s
1950s
18 births
What this shows Peak: 1950s at 18 births (100% of all-time use).
Frequently Asked Questions
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Keep exploring Kathllen
Nearby Names Like Kathllen
Names with a similar sound, spelling, or feel to Kathllen
Compare Kathllen side by side: Kathllen vs Kathleen Kathllen vs Katherine Kathllen vs Kathryn
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kathllen: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1957)
Similar record span (~2 yrs)
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, 1957–1959 (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 Kathllen 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.