Gwennyth
- US rank
- Unranked
- Syllables
- 2
- Peak
- #11,108 in 2002
0 babies were named Gwennyth in the US in 2025.
Found on lists
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US births per million girls, 2000–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Gwennyth you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGwennyth first shows up in US birth records in 2000, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2002, when it reached #11,108.
About the name Gwennyth
Gwennyth is a girl name of Welsh origin. It has 8 letters and 2 syllables, starting with G and ending in “-yth”. US birth records list Gwennyth for girls from 2000 to 2010, in 8 of those 11 years. Its best year was 2002, when it ranked #11,108 among girl names. It hasn't been given to 5 or more US babies in a year since 2010, so today it's a genuinely rare choice.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 2.4 | 421,941 girls |
| 2010s | 2.8 | 357,143 girls |
Other spellings of Gwennyth
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 Gwennyth
What is the origin of the name Gwennyth?
Gwennyth has Welsh roots in our records. Other Welsh names include Cecilia, Reese, Arianna.
Is Gwennyth a boy or girl name?
Gwennyth is a girl name.
How popular is the name Gwennyth?
Gwennyth is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2010. It peaked at #11,108 in 2002.