Guillermina is a girl name with a rare feel, drawn from real birth records.
| Country | Births on record |
|---|---|
| United States since 1880 | 1,925 births |
Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Guillermina per year — United States (1918–2024). United States peaked in 1966 (40/yr).
Guillermina reached its peak in 1966, when it was the #2860 most popular baby name in the United States — making it a quintessential 1960s name.
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