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Gwyn

Girls 88% Boys 12% Recorded 1915-2025

Gwyn was given to 10 girls in 2025, #9,678 among girls’ names; 2,414 Americans have been recorded with it since 1915 (Social Security Administration, published May 2026).

An estimated 1,800 Americans named Gwyn and born in the U.S. are alive in 2026 (75% of everyone recorded); the median is 63 years old and half are between 52 and 69.

Babies named Gwyn each year, first recorded in 1915
Gwyn, 1910-2025; highest in 1962.5010015019101930195019701990201020251962 peak: 135
Gwyn, 1910-2025; highest in 1962.5010015019101930195019701990201020251962 peak: 135
Gwyn, 1910-2025; highest in 1962.5010015019101930195019701990201020251962 peak: 135
Gwyn, 1910-2025; highest in 1962.5010015019101950199020251962 peak: 135

Girls and boys together; gaps are years SSA did not record (fewer than 5 births).

Births of Gwyn by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.

What does Gwyn mean?

Wiktionary, English section

Gwyn is “a diminutive of the female given name Gwyneth.”

Also “a male given name from Welsh.”

From Welsh gwyn.

/ɡwɪn/

From Wiktionary, the free dictionary, entry Gwyn (English), CC BY‑SA 4.0. Quoted from the entry; text after a cross-reference to another sense is left out.

Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).

How popular is Gwyn?

#9,678 among girls’ names, 2025

Gwyn rose from #10,389 in 2015 to #9,678 in 2025 among girls’ names; its share of girls born rose from 5.6 to 6.2 per million.

135 babies in 1962, the peak

Gwyn peaked in 1962, when 135 babies were given it (129 girls, #935 among girls’ names). The 10 births of 2025 are 7% of that peak.

Girls and boys named Gwyn each year
Gwyn: girls and boys given the name each year501001501910193019501970199020102025GirlsBoys
Gwyn: girls and boys given the name each year501001501910193019501970199020102025GirlsBoys
Gwyn: girls and boys given the name each year501001501910193019501970199020102025GirlsBoys
Gwyn: girls and boys given the name each year501001501910195019902025GirlsBoys

Births by sex.

Gwyn by year and sex
YearGirlsGirls’ rankBoysBoys’ rank
202510#9,678under 5
202412#8,624under 5
202313#8,207under 5
202210#9,950under 5
20215#16,101under 5
20208#11,452under 5
201912#8,772under 5
20189#10,861under 5
201711#9,543under 5
201611#9,641under 5
Every recorded year (99)
YearGirlsGirls’ rankBoysBoys’ rank
201510#10,389under 5
20149#11,309under 5
20136#15,286under 5
20117#13,853under 5
201012#9,431under 5
20099#11,810under 5
200812#9,688under 5
200710#11,114under 5
200620#6,438under 5
200511#9,681under 5
20049#11,001under 5
200317#6,693under 5
200211#9,052under 5
20018#11,366under 5
19936#12,314under 5
19925#14,032under 5
19916#12,025under 5
19905#13,734under 5
19887#9,598under 5
19865#11,550under 5
19856#9,718under 5
19845#10,982under 5
19837#8,334under 5
19829#7,075under 5
198113#5,364under 5
198014#5,063under 5
197924#3,372under 5
197816#4,3265#6,149
197717#4,116under 5
197624#3,035under 5
197519#3,549under 5
197419#3,472under 5
197331#2,421under 5
197226#2,700under 5
197139#2,122under 5
197047#1,8667#3,997
196933#2,224under 5
196838#1,950under 5
196729#2,230under 5
196639#1,8346#3,683
196545#1,677under 5
196486#1,192under 5
1963102#1,0687#3,444
1962129#9356#3,791
1961125#965under 5
1960100#1,0765#4,267
195972#1,2657#3,402
195833#1,9177#3,382
195744#1,630under 5
195628#2,065under 5
195547#1,4846#3,661
195463#1,250under 5
195339#1,5707#3,242
195245#1,4456#3,512
195141#1,4696#3,510
195031#1,692under 5
194947#1,34310#2,513
194830#1,7196#3,453
194731#1,7337#3,197
194617#2,341under 5
194515#2,2686#3,133
194413#2,55110#2,370
194317#2,1847#3,068
194214#2,468under 5
194112#2,5799#2,551
194012#2,4769#2,561
193912#2,47911#2,221
193810#2,8029#2,549
193716#2,0395#3,739
193612#2,4296#3,315
193510#2,81112#2,175
19349#3,010under 5
19339#2,97911#2,275
19328#3,4037#3,208
1931under 58#2,949
19308#3,4749#2,864
192910#3,0167#3,370
19288#3,566under 5
19276#4,5126#3,943
1926under 55#4,468
19257#4,1876#3,916
1924under 511#2,722
19236#4,6307#3,612
19225#5,325under 5
1920under 58#3,330
1919under 59#2,970
1918under 512#2,453
1916under 55#4,161
1915under 56#3,576

Download Gwyn’s births by year (CSV)

Ranks: girls’ names and boys’ names ranked separately in each year’s SSA file; “under 5” is a year SSA did not list the name for that sex.

Is Gwyn a boy’s or a girl’s name?

Of the 2,414 Americans recorded as Gwyn, 88% are girls and 12% boys. In 2025 it went to 10 girls; SSA lists no boys with it that year (fewer than 5, or none).

Share of girls among babies named Gwyn, by year
Girls fill from the bottom, boys from the top.100%50%0%1910193019501970199020102025Boys 0%Girls 100%
Girls fill from the bottom, boys from the top.100%50%0%1910193019501970199020102025Boys 0%Girls 100%
Girls fill from the bottom, boys from the top.100%50%0%191019301950197019902025Boys 0%Girls 100%
Girls fill from the bottom, boys from the top.100%50%0%1910195019902025Boys 0%Girls 100%

Years with fewer than 20 babies given the name are left blank.

Girls and boys named Gwyn: the SSA national file counts each sex separately.

How many people are named Gwyn, and how old are they?

1,800 alive in 2026, estimated

That is 75% of the 2,414 Americans ever recorded as Gwyn. The median Gwyn alive today is 63 years old; half are between 52 and 69.

The 2020 Census counted 2,253 people named Gwyn (2,052 women and girls, 201 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 1,887 born in the U.S. The Census count is 19% above that prediction. Possible reasons: the Census counts people born abroad, whom SSA’s files leave out, and it records the name people give, which SSA may have recorded under another spelling or as part of a compound name.

Alive today, by age

Women and girlsMen and boys
1290-995
6580-8920
29770-7928
66360-6929
28250-596
11140-495
2830-390
7520-290
8510-190
890-90

Alive today, by generation

By generation
GenerationBornAlive
Silent Generation1928-194591
Baby Boomers1946-1964948
Generation X1965-1980440
Millennials1981-199672
Generation Z1997-2012125
Generation Alpha2013-2025125

An estimate, not a count. SSA’s files count people born in the United States who received a Social Security number, so anyone born abroad is not in them; before 1937 most people got a number as adults, and their survival is counted from that age.

Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).

Where are babies named Gwyn born?

The states with the most babies named Gwyn are California, North Carolina and Pennsylvania, with 52% of its births recorded by state since 1910.

States with the most births: girls and boys together; rank among girls’ names in the state in 2025
StateSince 1910Rank, girlsvs. national
California107not ranked0.5×
North Carolina60not ranked0.8×
Pennsylvania54not ranked0.4×
Michigan45not ranked0.4×
Texas35not ranked0.2×
New York30not ranked0.1×
Ohio29not ranked0.2×
Florida17not ranked0.3×
Louisiana14not ranked0.3×
New Jersey10not ranked0.1×

States: SSA state file, 1910-2025, published May 8, 2026; births count girls and boys together, and the rank is among girls’ names in the state in 2025. The file leaves out any state and year with fewer than 5 babies of the name, so small states are undercounted; each ratio compares the state’s births of Gwyn with the births its national share predicts year by year, for states with at least 100 births of the name.

Names spelled alike

Of these 3 names spelled alike, given to 5,026 babies since 1880, Gwyn is the most given (48% of them). In 2025 it was given to 10 of their 29 babies (34%), the second most given that year.

Gwyn and the names spelled alike
NameSince 1880Births 2025Peak year
Gwyn2,414101962
Gwynne1,43361951
Gwynn1,179131954

Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.

Names that rose and fell in the same decades as Gwyn

Names whose births rose and fell across the same decades, measured on each decade’s share of births.

NameRecorded1910-2025
Tonnie1,157
Shirl1,771
Lorry1,245

Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.

More about Gwyn and names like it

  1. Compare Gwyn and GwynneBirths, ranks, peak and the living estimate side by side.
  2. The most given names of the 1960sGwyn peaked in 1962.
  3. California’s most given namesThe state where SSA recorded the most babies named Gwyn since 1910.
  4. Welsh namesWiktionary’s origin for Gwyn: every such name, by how often it is given.
  5. The top names of 1962The year the most babies were named Gwyn.
  6. The names of the Baby BoomersMost people named Gwyn alive today were born 1946-1964.
  7. Names starting with GMost given first.

Compare Gwyn with another name