Merwyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #1,031 in 1937
0 babies were named Merwyn in the US in 2025.
Found on lists
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US births per million boys, 1912–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Merwyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryMerwyn first shows up in US birth records in 1912, the first year at least 5 babies got it. It has been in use for 113 years since.
- Best yearIts best year was 1937, when it reached #1,031.
About the name Merwyn
Merwyn is a boy name of English and Irish origin. It has 6 letters and 2 syllables, starting with M and ending in “-wyn”. US birth records list Merwyn for boys from 1912 to 1971, in 50 of those 60 years. Its best year was 1937, when it ranked #1,031 among boy names. It hasn't been given to 5 or more US babies in a year since 1971, so today it's a genuinely rare choice.
Origin:English namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 16 | 63,191 boys |
| 1920s | 17 | 60,277 boys |
| 1930s | 27 | 36,684 boys |
| 1940s | 10 | 96,339 boys |
| 1950s | 2.7 | 370,370 boys |
| 1960s | 1.0 | 1,030,928 boys |
| 1970s | 1.7 | 588,235 boys |
Other spellings of Merwyn
More English boy names
- Boy name: Oliver · olive tree
- Boy name: Henry · ruler of the home
- Unisex name: James · supplanter
- Boy name: William · resolute protector
- Boy name: Benjamin · son of the right hand
- Boy name: Jack · God is gracious
- Unisex name: Hudson · son of Hudde
- Unisex name: Julian · of the Julius family
Questions about the name Merwyn
What is the origin of the name Merwyn?
Merwyn has English, Irish roots in our records. Other English names include Oliver, Henry, James.
Is Merwyn a boy or girl name?
Merwyn is a boy name.
How popular is the name Merwyn?
Merwyn is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 1971. It peaked at #1,031 in 1937.