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.
- #46,960 of 72,339
- all-time among girls
- 18
- born since 1955
- 1950s
- peak 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.
- #46,960 of 72,339 all-time among girls
- 18 born since 1955
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Gwendylon ranks #46,960 of 72,339 girls' names by all-time recorded births (highest first). 18 born since 1955, peaking in the 1950s.
- #46,960 of 72,339
- all-time among girls
- 18
- born since 1955
- 1950s
- peak decade
Gwendylon's 18 recorded births place it above 34.45% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 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
1950s is the heaviest window (12 births, 67% of the file).
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
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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.
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
Compare Gwendylon side by side: Gwendylon vs Gwendolyn Gwendylon vs Gwen Gwendylon vs Gwenyth
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Gwendylon: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1955)
Similar record span (~8 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, 1955–1963 (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 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 August 2026.