Gwynneth
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,848 in 1931
0 babies were named Gwynneth in the US in 2025.
Found on lists
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US births per million girls, 1931–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Gwynneth you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGwynneth first shows up in US birth records in 1931, the first year at least 5 babies got it. It has been in use for 94 years since.
- Best yearIts best year was 1931, when it reached #3,848.
About the name Gwynneth
Gwynneth is a girl name of Welsh origin. It has 8 letters and 2 syllables, starting with G and ending in “-eth”. US birth records list Gwynneth for girls from 1931 to 2021, in 31 of those 91 years. Its best year was 1931, when it ranked #3,848 among girl names. It hasn't been given to 5 or more US babies in a year since 2021, so today it's a genuinely rare choice.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 0.6 | 1,607,143 girls |
| 1940s | 0.7 | 1,449,275 girls |
| 1950s | 1.0 | 1,030,928 girls |
| 1960s | 0.3 | 3,846,154 girls |
| 1970s | 0.3 | 3,333,333 girls |
| 1990s | 1.9 | 518,135 girls |
| 2000s | 5.8 | 172,117 girls |
| 2010s | 3.5 | 284,091 girls |
| 2020s | 1.9 | 540,541 girls |
Other spellings of Gwynneth
More Welsh girl names
- Girl name: Cecilia · blind
- Unisex name: Reese · ardor, enthusiasm
- Girl name: Arianna · most holy
- Unisex name: Rowan · little red-haired one
- Unisex name: Morgan · possibly sea circle
- Girl name: Sabrina · River Severn
- Unisex name: Teagan · possibly poet
- Girl name: Gwendolyn · white ring
Questions about the name Gwynneth
What is the origin of the name Gwynneth?
Gwynneth has Welsh roots in our records. Other Welsh names include Cecilia, Reese, Arianna.
Is Gwynneth a boy or girl name?
Gwynneth is a girl name.
How popular is the name Gwynneth?
Gwynneth is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2021. It peaked at #3,848 in 1931.