Total births
18
Girls' name · since 1955
Gwendylon
Gwendylon has 18 recorded births since 1955 in federal Social Security data, most heavily in 1955 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 18
- total births
- 1955–1963
- years on record
- 1950s
- peak decade
- 67%
- born in that decade
Gwendylon sits outside today's top ranks for girls, with 18 recorded since 1955.
According to the U.S. Social Security Administration, Gwendylon has been recorded 18 times among girls since 1955, though it is not among the currently most-used girls names, with its heaviest use in the 1950s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1955 to 1963.
- 18 total births
- 1955–1963 years on record
- 1950s peak decade
- 67% born in that decade
Data updated Jun 2026
The verdict
18 girls have been named Gwendylon since 1955, peaking in the 1950s, last recorded in 1963.
- 18
- total births
- 1955–1963
- years on record
- 1950s
- peak decade
- 67%
- born in that decade
1950s
Peak decade
67% of everyone ever named Gwendylon was born in this single decade.
1955
Single peak year
6 babies were named Gwendylon in 1955 - its busiest year on record.
Gwendylon's usage pattern, beyond the headline number
Divide Gwendylon's SSA record in two at 1956 and the more recent half accounts for 67% of all births, the earlier half the remaining 33%, consistent with a name still gaining ground rather than fading. Its calmest year was 1955, with only 6 births recorded.
Gwendylon at a glance
Last recorded 1963Peak year
1955
Current rank
Unranked
Active since
1955
Gwendylon popularity over time
Annual U.S. births registered with the Social Security Administration · 1955–1963
- Peak year (1955)
- 6
- Annual births at peak, across 9 years of records
Gwendylon by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Gwendylon's strongest decade.
12 babies received the name during that ten-year window, about 67% of all-time use.
Gwendylon births by decade
Total births in each ten-year window
- 1950s
1950s
12 births
- 1960s
1960s
6 births
What this shows Peak: 1950s at 12 births (67% of all-time use).
Frequently Asked Questions
How popular is the name Gwendylon? ▼
18 babies have been named Gwendylon since 1955. It was last recorded in 1963. The peak year was 1955 with 6 births.
When was Gwendylon most popular? ▼
Gwendylon was most popular in the 1950s decade with 12 total births. The single peak year was 1955.
How long has the name Gwendylon been used? ▼
Records for Gwendylon go back to 1955, giving 9 years of history through 1963.
What names are similar to Gwendylon? ▼
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 Gwendylon's data
- Gwendylon's usage has stayed within range of its 1950s decade-level peak (12 total births) through the 1960s (6) -- 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.
Keep exploring Gwendylon
Nearby Names Like Gwendylon
Names with a similar sound, spelling, or feel to Gwendylon
Gwendolyn Girl
#393 124,385 births
Gwen Girl
#698 32,617 births
Gwenyth Girl
#3136 3,268 births
Gwenda Girl
2,264 births
Gwenn Girl
1,502 births
Compare Gwendylon side by side: Gwendylon vs Gwendolyn Gwendylon vs Gwen Gwendylon vs Gwenyth
Related Names
Names with a similar number of total births
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, 1955–1963 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Gwendylon: Baby Name Since 1955 - 18 Births, Peak 1955." NameAlmanac. Accessed via https://namealmanac.com/name/gwendylon. 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 Gwendylon 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.