Gwilym
- US rank
- Unranked
- Syllables
- 2
- Peak
- #11,472 in 2005
0 babies were named Gwilym in the US in 2025.
Found on lists
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US births per million boys, 2005–2025
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Gwilym you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGwilym first shows up in US birth records in 2005, 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 2005, when it reached #11,472.
About the name Gwilym
Gwilym is a boy name of Welsh origin. It has 6 letters and 2 syllables, starting with G and ending in “-lym”. US birth records list Gwilym for boys only in 2005, the one year at least 5 babies got it. Its best year was 2005, when it ranked #11,472 among boy names. It hasn't been given to 5 or more US babies in a year since 2005, so today it's a genuinely rare choice.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 2.5 | 400,000 boys |
More Welsh boy names
- Unisex name: Owen · well-born
- Unisex name: Dylan · great tide
- Unisex name: Rowan · little red-haired one
- Boy name: Arthur · possibly bear
- Unisex name: Kai · sea
- Boy name: Bryson · son of Brice
- Boy name: Evan · God is gracious
- Unisex name: Maddox · son of Madoc
Questions about the name Gwilym
What is the origin of the name Gwilym?
Gwilym has Welsh roots in our records. Other Welsh names include Owen, Dylan, Rowan.
Is Gwilym a boy or girl name?
Gwilym is a boy name.
How popular is the name Gwilym?
Gwilym is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2005. It peaked at #11,472 in 2005.