Boys' name · since 1912

Merwyn

Merwyn has 786 recorded births since 1912 in federal Social Security data, most heavily in 1937 -- full year-by-year trend, decade aggregates, and state rankings follow.

#5,968 of 45,481
all-time among boys
786
born since 1912
1930s
peak decade

Merwyn sits outside today's top ranks for boys, with 786 recorded since 1912.

Merwyn has 786 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1930s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 1971.

  • #5,968 of 45,481 all-time among boys
  • 786 born since 1912
  • 1930s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Merwyn ranks #5,968 of 45,481 boys' names by all-time recorded births (highest first). 786 born since 1912, peaking in the 1930s.

#5,968 of 45,481
all-time among boys
786
born since 1912
1930s
peak decade
Above the archive median
All-time archive position

Merwyn's 786 recorded births place it above 86.87% of the 45,481 boys names in the full SSA archive.

5 jurisdictions
State-record footprint

The state file records this name in 5 jurisdictions, led by Illinois.

Merwyn's usage pattern, beyond the headline number

Merwyn splits its recorded history at 1937: 41% of all births land in the more recent half, 59% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1915 (5 births) -- compare that against the 1937 peak of 38 for a sense of just how much the name's popularity has swung.

Merwyn popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1912–1971

Last recorded 1971
Peak year (1937)
38
Annual births at peak, across 60 years of records
010203040 19121919192619331940194719551971 6

Merwyn popularity over time - girls

10 total births recorded since 1917 (Merwyn as girls' name)

Unisex variant - 10 births
5 19171925 5

Merwyn by decade

1930s is the heaviest window (288 births, 37% of the file).

1930s was Merwyn's strongest decade.

288 babies received the name during that ten-year window, about 37% of all-time use.

Merwyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1930s at 288 births (37% of all-time use).

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

How Merwyn compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Merwyn's total volume

Merwyn vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20% 050100150200 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 -38, 6.2%-66, 4.1%-36, 9.5%-111, 12.3%-25, 9.4%-61, 4.3%-110, 3.3%-32, 8.2%-14, 15.2%-83, 4.2%-24, 7.7%-55, 3.7%-49, 4.9%-146, 2.2%-141, 2.4%Merwyn-60, 4.8%Merwyn
Merwyn vs 15 similarly-sized boys names

Merwyn by state

Where Merwyn concentrates geographically, total births since 1912

Geographically diffuse
Top 5 states by recorded births for the name Merwyn
Rank State Visual share Births Share of total
#1 Illinois
20 2.5%
#2 Iowa
11 1.4%
#3 Pennsylvania
5 0.6%
#4 Washington
5 0.6%
#5 Wisconsin
5 0.6%
Illinois share of Merwyn's total US births 2.5%
Even split

20 of 786 births nationwide. Compared to a flat distribution across 5 reporting states.

Frequently Asked Questions

How popular is the name Merwyn?
Merwyn has been given to 786 babies in the U.S. since 1912, according to SSA data. Its archive ordinal is #5,968 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 1971. 38 babies were born in 1937, its single highest year.
Where does Merwyn sit in the SSA name archive?
According to the U.S. Social Security Administration, Merwyn ranks #5,968 of 45,481 boys' 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 Merwyn most popular?
Merwyn was most popular in the 1930s decade with 288 total births. The single peak year was 1937.
Where is Merwyn most popular?
The top states for the name Merwyn are Illinois (20 births), Iowa (11 births), Pennsylvania (5 births).
How long has the name Merwyn been used?
Records for Merwyn go back to 1912, giving 60 years of history through 1971.
What names are similar to Merwyn?
Names with a similar sound or spelling include Merle, Merlin, Merrill, Mervin, and 4 more. These share a common prefix and are also used for boys.

What to do with Merwyn's data

  • Merwyn's decade-level peak was the 1930s (288 total births); usage has since declined to 6 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Illinois records the most Merwyns (20 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 Merwyn

Nearby Names Like Merwyn

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Merwyn: 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, 1912–1971 (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 Merwyn 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.