Dewey
- US rank
- Unranked
- Syllables
- 2
- Peak
- #305 in 1898
0 babies were named Dewey in the US in 2025.
Found on lists
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US births per million girls, 1897–2025
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dewey you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDewey first shows up in US birth records in 1887, the first year at least 5 babies got it. It has been in use for 138 years since.
- Best yearIts best year was 1898, when it reached #305.
About the name Dewey
Dewey is a girl name of Welsh origin. It has 5 letters and 2 syllables, starting with D and ending in “-wey”. US birth records list Dewey for girls from 1897 to 1956, in 44 of those 60 years. Its best year was 1898, when it ranked #305 among girl names. It hasn't been given to 5 or more US babies in a year since 1956, so today it's a genuinely rare choice.
Origin:Welsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1890s | 187 | 5,353 girls |
| 1900s | 14 | 71,023 girls |
| 1910s | 7.4 | 135,135 girls |
| 1920s | 12 | 81,699 girls |
| 1930s | 9.7 | 102,564 girls |
| 1940s | 2.8 | 353,357 girls |
| 1950s | 0.9 | 1,166,667 girls |
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 Dewey
What is the origin of the name Dewey?
Dewey has Welsh roots in our records. Other Welsh names include Cecilia, Reese, Arianna.
Is Dewey a boy or girl name?
Dewey is a girl name, though a few boys get it too.
How popular is the name Dewey?
Dewey is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1956. It peaked at #305 in 1898.