Girls' name · since 1920
Marillyn
437 babies named Marillyn in U.S. Social Security records since 1920, with the highest year being 1927. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #12,825 of 72,339
- all-time among girls
- 437
- born since 1920
- 1920s
- peak decade
Marillyn sits outside today's top ranks for girls, with 437 recorded since 1920.
Social Security Administration records show Marillyn recorded 437 times among girls since 1920, though it doesn't currently rank among the most-used girls names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1920 to 1947.
- #12,825 of 72,339 all-time among girls
- 437 born since 1920
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Marillyn ranks #12,825 of 72,339 girls' names by all-time recorded births (highest first). 437 born since 1920, peaking in the 1920s.
- #12,825 of 72,339
- all-time among girls
- 437
- born since 1920
- 1920s
- peak decade
Marillyn's 437 recorded births place it above 82.26% of the 72,339 girls names in the full SSA archive.
6 jurisdictions carry state-level records, led by Illinois.
Marillyn's usage pattern, beyond the headline number
Divide Marillyn's SSA record in two at 1933 and the more recent half accounts for 30% of all births, the earlier half the remaining 70%, consistent with a name more common in the past than in recent years. Its calmest year was 1920, with only 5 births recorded -- set against the 1927 peak of 40, that's the full swing in one name's fortunes.
Marillyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1920–1947
- Peak year (1927)
- 40
- Annual births at peak, across 28 years of records
Marillyn by decade
1920s is the heaviest window (231 births, 53% of the file).
1920s was Marillyn's strongest decade.
231 babies received the name during that ten-year window, about 53% of all-time use.
Marillyn births by decade
Total births in each ten-year window
- 1920s
1920s
231 births
- 1930s
1930s
158 births
- 1940s 48
1940s
48 births
What this shows Peak: 1920s at 231 births (53% of all-time use).
Marillyn by state
Where Marillyn concentrates geographically, total births since 1920
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Illinois | | 17 | 3.9% |
| #2 | California | | 13 | 3.0% |
| #3 | Minnesota | | 11 | 2.5% |
| #4 | Michigan | | 10 | 2.3% |
| #5 | New York | | 5 | 1.1% |
| #6 | Wisconsin | | 5 | 1.1% |
17 of 437 births nationwide. Compared to a flat distribution across 6 reporting states.
Frequently Asked Questions
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What to do with Marillyn's data
- Marillyn's decade-level peak was the 1920s (231 total births); usage has since declined to 48 in the 1940s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Illinois records the most Marillyns (17 births) -- see the full state breakdown if geography matters to your decision. Illinois names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Marillyn
Nearby Names Like Marillyn
Names with a similar sound, spelling, or feel to Marillyn
Compare Marillyn side by side: Marillyn vs Mary Marillyn vs Margaret Marillyn vs Maria
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Marillyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1927)
Similar record span (~27 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, 1920–1947 (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 Marillyn 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.