Girls' name · since 1931

Gwynneth

255 babies named Gwynneth in U.S. Social Security records since 1931, with the highest year being 2001. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

255
total births
1931–2021
years on record
2000s
peak decade
42%
born in that decade

Gwynneth sits outside today's top ranks for girls, with 255 recorded since 1931.

Social Security Administration records show Gwynneth recorded 255 times among girls since 1931, though it doesn't currently rank among the most-used girls names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1931 to 2021.

  • 255 total births
  • 1931–2021 years on record
  • 2000s peak decade
  • 42% born in that decade

Data updated Jul 2026

The verdict

255 girls have been named Gwynneth since 1931, peaking in the 2000s, last recorded in 2021.

255
total births
1931–2021
years on record
2000s
peak decade
42%
born in that decade
2000s
Peak decade

42% of everyone ever named Gwynneth was born in this single decade.

2001
Single peak year

16 babies were named Gwynneth in 2001 - its busiest year on record.

Gwynneth's usage pattern, beyond the headline number

Divide Gwynneth's SSA record in two at 2003 and the more recent half accounts for 55% of all births, the earlier half the remaining 45%, a genuinely balanced usage pattern. Its calmest year was 1947, with only 5 births recorded -- set against the 2001 peak of 16, that's the full swing in one name's fortunes.

Gwynneth at a glance

Last recorded 2021

Total births

255

Since 1931

91 years of records

Peak year

2001

16 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2021

Active since

1931

Recorded for 91 years

Last year on file: 2021

Gwynneth popularity over time

Annual U.S. births registered with the Social Security Administration · 1931–2021

Last recorded 2021
Peak year (2001)
16
Annual births at peak, across 91 years of records
05101520 193119531996200020042008201220172021 6

Gwynneth by decade

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

2000s was Gwynneth's strongest decade.

107 babies received the name during that ten-year window, about 42% of all-time use.

Gwynneth births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 107 births (42% of all-time use).

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

Gwynneth by state

Where Gwynneth concentrates geographically, total births since 1931

Geographically diffuse
Top 1 states by recorded births for the name Gwynneth
Rank State Visual share Births Share of total
#1 California
5 2.0%
California share of Gwynneth's total US births 2.0%

5 of 255 births nationwide.

Frequently Asked Questions

How popular is the name Gwynneth?
Since 1931, Social Security records show 255 babies named Gwynneth. The most recent recorded year was 2021. Its busiest year on record was 2001, with 16 births.
When was Gwynneth most popular?
Gwynneth was most popular in the 2000s decade with 107 total births. The single peak year was 2001.
Where is Gwynneth most popular?
The top states for the name Gwynneth are California (5 births).
How long has the name Gwynneth been used?
Gwynneth has been recorded in Social Security data since 1931, spanning 91 years of data through 2021.
What names are similar to Gwynneth?
Names with a similar sound or spelling include Gwyneth, Gwyn, Gwynne, Gwynn, and 4 more. These share a common prefix and are also used for girls.

What to do with Gwynneth's data

  • Gwynneth's decade-level peak was the 2000s (107 total births); usage has since declined to 6 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Gwynneths (5 births) -- see the full state breakdown if geography matters to your decision. California names
  • 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, 1931–2021 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Gwynneth: Baby Name Since 1931 - 255 Births, Peak 2001." NameAlmanac. Accessed via https://namealmanac.com/name/gwynneth. 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 Gwynneth 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.