Girls' name · since 1930

Merrillyn

Merrillyn has 77 recorded births since 1930 in federal Social Security data, most heavily in 1938 -- full year-by-year trend, decade aggregates, and state rankings follow.

77
total births
1930–1949
years on record
1930s
peak decade
51%
born in that decade

Merrillyn is not among the current top-ranked girls names; 77 have been recorded since 1930.

Social Security Administration records show Merrillyn recorded 77 times among girls since 1930, though it doesn't currently rank among the most-used girls names, peaking in the 1930s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1930 to 1949.

  • 77 total births
  • 1930–1949 years on record
  • 1930s peak decade
  • 51% born in that decade

Data updated Jul 2026

Below the archive median
All-time archive position

Merrillyn's 77 recorded births place it above 58% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Merrillyn's usage pattern, beyond the headline number

Merrillyn splits its recorded history at 1941: 43% of all births land in the more recent half, 57% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1930 (5 births) -- compare that against the 1938 peak of 10 for a sense of just how much the name's popularity has swung.

Merrillyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1930–1949

Last recorded 1949
Peak year (1938)
10
Annual births at peak, across 20 years of records
4681012 193019361937193819391940194119421944194619481949 5

Merrillyn by decade

Total births in each ten-year window, peak vs trough at a glance

1930s was Merrillyn's strongest decade.

39 babies received the name during that ten-year window, about 51% of all-time use.

Merrillyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1930s at 39 births (51% of all-time use).

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

Frequently Asked Questions

How popular is the name Merrillyn?
Since 1930, Social Security records show 77 babies named Merrillyn. The most recent recorded year was 1949. Its busiest year on record was 1938, with 10 births.
When was Merrillyn most popular?
Merrillyn was most popular in the 1930s decade with 39 total births. The single peak year was 1938.
How long has the name Merrillyn been used?
Records for Merrillyn go back to 1930, giving 20 years of history through 1949.
What names are similar to Merrillyn?
Names with a similar sound or spelling include Meredith, Mercedes, Merle, Mercy, and 4 more. These share a common prefix and are also used for girls.

What to do with Merrillyn's data

  • Merrillyn's usage has stayed within range of its 1930s decade-level peak (39 total births) through the 1940s (38) -- a comparatively stable name, not a fading trend.
  • Weighing it against an alternative? Put two names side by side. Compare names

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

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, 1930–1949 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac. "Merrillyn: Baby Name Since 1930 - 77 Births, Peak 1938." NameAlmanac. Accessed via https://namealmanac.com/name/merrillyn. 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 Merrillyn 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.