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Home › Baby Names Directory › Guillermina

Guillermina

♀ Girl

Pronounced gee-yer-MEE-nah /ɡi.jerˈmi.na/Medium

Meaning: Spanish feminine of Guillermo (William), from Germanic wil 'will, desire' plus helm 'helmet, protection' — 'resolute protector'. The Spanish counterpart of Wilhelmina.Medium

In 30 seconds: Guillermina is the Spanish Wilhelmina — 'resolute protector', from old Germanic roots (said 'gee-yer-MEE-nah').
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Origin MediumSpanish, Germanic
MeaningSpanish feminine of Guillermo (William), from Germanic wil 'will, desire' plus helm 'helmet, protection' — 'resolute protector'. The Spanish counterpart of Wilhelmina.
U.S. rank (2024)#14023 ↗ Rising
2024 U.S. births6 girls (0.00% of U.S. girls)
Peak year1966
Total births (all-time)≈ 1,924

Popularity in the U.S. · SSA data

peak 197319182024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Guillermina is the Spanish feminine of Guillermo (William), from Germanic wil ('will') and helm ('helmet, protection') — 'resolute protector'. William came to Spain with the Normans and Franks, and Guillermina became a steady traditional name across Spain and Latin America, especially in earlier generations (said 'gee-yer-MEE-nah').

It appears only rarely in U.S. records now. Rare here, traditional in the Spanish-speaking world.

Did you know? Guillermina packs a helmet into its meaning: Germanic wil ('will') plus helm ('protection'). It is the Spanish sister of Wilhelmina and the feminine of Guillermo (said 'gee-yer-MEE-nah').
Overall data confidence 60%
References — Guillermina — Spanish feminine of Guillermo; Germanic 'will' + 'helmet'

Variations

WilhelminaGuillermineGuilhermina

Nicknames

MinaGuilleWilla

Famous Bearers

  • Famous bearers coming soon.

If you like Guillermina…

Wilhelmina— the same name in its Germanic form
Paulina— a like traditional Spanish pick
Clementina— another stately -ina choice
Adalina— the same classic feel
Fabiana— echoes that soft -na sound

Explore names like Guillermina

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Frequently Asked

What does the name Guillermina mean?

Guillermina means 'resolute protector', from Germanic wil ('will') and helm ('protection'). It is the Spanish feminine of Guillermo.

How do you pronounce Guillermina?

It's said gee-yer-MEE-nah /ɡi.jerˈmi.na/ — four syllables, stress on the third.

Is Guillermina the Spanish Wilhelmina?

Yes — the two are the same name in different languages, both from William.

How popular is Guillermina?

Guillermina is rare in the U.S. and now reads as a grandmother's name in Spanish-speaking countries.

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