Guillermina
- US rank
- Unranked
- Syllables
- 4
- Peak
- #1,796 in 1966
0 babies were named Guillermina in the US in 2025.
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US births per million girls, 1918–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Guillermina you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryGuillermina first shows up in US birth records in 1918, the first year at least 5 babies got it. It has been in use for 107 years since.
- Best yearIts best year was 1966, when it reached #1,796.
About the name Guillermina
Guillermina is a girl name of Italian and Spanish origin. It has 11 letters and 4 syllables, starting with G and ending in “-ina”. US birth records list Guillermina for girls from 1918 to 2024, in 98 of those 107 years. Its best year was 1966, when it ranked #1,796 among girl names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:Italian namesSpanish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 2.6 | 384,615 girls |
| 1920s | 9.1 | 110,132 girls |
| 1930s | 8.8 | 113,507 girls |
| 1940s | 9.5 | 104,932 girls |
| 1950s | 14 | 70,225 girls |
| 1960s | 16 | 61,881 girls |
| 1970s | 23 | 43,937 girls |
| 1980s | 15 | 68,074 girls |
| 1990s | 13 | 79,239 girls |
| 2000s | 6.6 | 151,976 girls |
| 2010s | 2.8 | 355,872 girls |
| 2020s | 1.3 | 746,269 girls |
More Italian girl names
- Girl name: Isabella · God is my oath
- Girl name: Aurora · dawn
- Girl name: Camila · temple attendant
- Girl name: Luna · moon
- Girl name: Gianna · God is gracious
- Girl name: Valentina · strong, healthy
- Girl name: Emilia · rival, striving
- Girl name: Stella · star
Questions about the name Guillermina
What is the origin of the name Guillermina?
Guillermina has Italian, Spanish roots in our records. Other Italian names include Isabella, Aurora, Camila.
Is Guillermina a boy or girl name?
Guillermina is a girl name.
How popular is the name Guillermina?
Guillermina is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2024. It peaked at #1,796 in 1966.