Girls' name · since 1934

Karilyn

Since 1934, U.S. Social Security records show 897 babies named Karilyn, peaking in 1978. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#8,086 of 72,339
all-time among girls
897
born since 1934
1980s
peak decade

Karilyn is not among the current top-ranked girls names; 897 have been recorded since 1934.

Karilyn has 897 recorded births among girls since 1934, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1934 to 2021.

  • #8,086 of 72,339 all-time among girls
  • 897 born since 1934
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Karilyn ranks #8,086 of 72,339 girls' names by all-time recorded births (highest first). 897 born since 1934, peaking in the 1980s.

#8,086 of 72,339
all-time among girls
897
born since 1934
1980s
peak decade
Above the archive median
All-time archive position

Karilyn's 897 recorded births place it above 88.82% of the 72,339 girls names in the full SSA archive.

3 jurisdictions
State-record footprint

The state file records this name in 3 jurisdictions, led by Iowa.

Karilyn's usage pattern, beyond the headline number

Karilyn splits its recorded history at 1977: 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 2013 (5 births) -- compare that against the 1978 peak of 32 for a sense of just how much the name's popularity has swung.

Karilyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1934–2021

Last recorded 2021
Peak year (1978)
32
Annual births at peak, across 88 years of records
010203040 193419481958196819781988199820082021 5

Karilyn by decade

1980s is the heaviest window (172 births, 19% of the file).

1980s was Karilyn's strongest decade.

172 babies received the name during that ten-year window, about 19% of all-time use.

Karilyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 172 births (19% of all-time use).

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

How Karilyn 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 Karilyn's total volume

Karilyn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20%25%30% 050100150 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 -63, 4.6%-43, 9.5%-28, 8%-42, 5.8%-142, 4%-32, 7.1%-41, 6.6%-38, 7%-39, 24%-103, 4.5%-47, 5.9%-30, 11.8%-26, 8.7%-42, 5.1%-62, 3.5%Karilyn-88, 3.6%Karilyn
Karilyn vs 15 similarly-sized girls names

Karilyn by state

Where Karilyn concentrates geographically, total births since 1934

Geographically diffuse
Top 3 states by recorded births for the name Karilyn
Rank State Visual share Births Share of total
#1 Iowa
12 1.3%
#2 California
5 0.6%
#3 Michigan
5 0.6%
Iowa share of Karilyn's total US births 1.3%
Even split

12 of 897 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Karilyn?
897 babies have been named Karilyn since 1934. All-time, it sits at #8,086 of 72,339 girls' names by recorded births. It was last recorded in 2021. The peak year was 1978 with 32 births.
Where does Karilyn sit in the SSA name archive?
According to the U.S. Social Security Administration, Karilyn ranks #8,086 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Karilyn most popular?
Karilyn was most popular in the 1980s decade with 172 total births. The single peak year was 1978.
Where is Karilyn most popular?
The top states for the name Karilyn are Iowa (12 births), California (5 births), Michigan (5 births).
How long has the name Karilyn been used?
Karilyn has been recorded in Social Security data since 1934, spanning 88 years of data through 2021.
What names are similar to Karilyn?
Names with a similar sound or spelling include Karen, Kara, Karla, Karina, and 4 more. These share a common prefix and are also used for girls.

What to do with Karilyn's data

  • Karilyn's decade-level peak was the 1980s (172 total births); usage has since declined to 5 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Iowa records the most Karilyns (12 births) -- see the full state breakdown if geography matters to your decision. Iowa names

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

Keep exploring Karilyn

Nearby Names Like Karilyn

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Karilyn: 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, 1934–2021 (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 Karilyn 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.