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boyandgirlnames

Gwenneth

Girl name · Celtic · Welsh

US rank
Unranked
Syllables
2
Peak
#3,055 in 1930

0 babies were named Gwenneth in the US in 2025.

Found on lists

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US births per million girls, 1922–2025

0481922196020002022

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Gwenneth you might not know, from US birth records. Handy for convincing a partner, or a grandparent.

  • HistoryGwenneth first shows up in US birth records in 1922, the first year at least 5 babies got it. It has been in use for 103 years since.
  • Best yearIts best year was 1930, when it reached #3,055.

About the name Gwenneth

Gwenneth is a girl name of Celtic and Welsh origin. It has 8 letters and 2 syllables, starting with G and ending in “-eth”. US birth records list Gwenneth for girls from 1922 to 2022, in 29 of those 101 years. Its best year was 1930, when it ranked #3,055 among girl names. It hasn't been given to 5 or more US babies in a year since 2022, so today it's a genuinely rare choice.

Origin:Celtic namesWelsh names

Gwenneth for girls, by decade
DecadeBabies per millionAbout 1 in
1920s1.1952,381 girls
1930s2.0510,204 girls
1940s1.8549,451 girls
1950s0.61,612,903 girls
1990s0.33,571,429 girls
2000s2.7364,964 girls
2010s3.5287,356 girls
2020s3.7270,270 girls

Other spellings of Gwenneth

More Celtic girl names

Questions about the name Gwenneth

What is the origin of the name Gwenneth?

Gwenneth has Celtic, Welsh roots in our records. Other Celtic names include Evelyn, Isla, Riley.

Is Gwenneth a boy or girl name?

Gwenneth is a girl name.

How popular is the name Gwenneth?

Gwenneth is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2022. It peaked at #3,055 in 1930.