Girls' name · since 1934

Gwenlyn

Since 1934, U.S. Social Security records show 140 babies named Gwenlyn, peaking in 1943. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

140
total births
1934–1964
years on record
1940s
peak decade
44%
born in that decade

140 girls have been named Gwenlyn since 1934, though it isn't currently a top-ranked name.

Social Security Administration records show Gwenlyn recorded 140 times among girls since 1934, though it doesn't currently rank among the most-used girls names, peaking in the 1940s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1934 to 1964.

  • 140 total births
  • 1934–1964 years on record
  • 1940s peak decade
  • 44% born in that decade

Data updated Jun 2026

The verdict

140 girls have been named Gwenlyn since 1934, peaking in the 1940s, last recorded in 1964.

140
total births
1934–1964
years on record
1940s
peak decade
44%
born in that decade
1940s
Peak decade

44% of everyone ever named Gwenlyn was born in this single decade.

1943
Single peak year

9 babies were named Gwenlyn in 1943 - its busiest year on record.

Gwenlyn's usage pattern, beyond the headline number

Splitting Gwenlyn's full recorded timeline at 1949, 47% of its total births fall in the more recent half of the record versus 53% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1942, with just 5 recorded births -- worth weighing against the 1943 peak of 9 to see the full range of the name's swing in popularity.

Gwenlyn at a glance

Last recorded 1964

Total births

140

Since 1934

31 years of records

Peak year

1943

9 births that year

Strongest decade: 1940s

Current rank

Unranked

Outside the modern top-1,000

As of 1964

Active since

1934

Recorded for 31 years

Last year on file: 1964

Gwenlyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1934–1964

Last recorded 1964
Peak year (1943)
9
Annual births at peak, across 31 years of records
45678910 19341940194319481951195519621964 6

Gwenlyn by decade

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

1940s was Gwenlyn's strongest decade.

61 babies received the name during that ten-year window, about 44% of all-time use.

Gwenlyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1940s at 61 births (44% of all-time use).

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

Frequently Asked Questions

How popular is the name Gwenlyn?
140 babies have been named Gwenlyn since 1934. It was last recorded in 1964. The peak year was 1943 with 9 births.
When was Gwenlyn most popular?
Gwenlyn was most popular in the 1940s decade with 61 total births. The single peak year was 1943.
How long has the name Gwenlyn been used?
The SSA has tracked Gwenlyn since 1934 -- 31 years through the most recent 1964 data.
What names are similar to Gwenlyn?
Names with a similar sound or spelling include Gwendolyn, Gwen, Gwenyth, Gwenda, and 4 more. These share a common prefix and are also used for girls.

What to do with Gwenlyn's data

  • Gwenlyn's decade-level peak was the 1940s (61 total births); usage has since declined to 11 in the 1960s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • 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 June 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, 1934–1964 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Gwenlyn: Baby Name Since 1934 - 140 Births, Peak 1943." NameAlmanac. Accessed via https://namealmanac.com/name/gwenlyn. 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 Gwenlyn 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 June 2026.