Guillermina is a girl name with roots in Spanish and Germanic culture. The Spanish feminine of Guillermo (William), from the Germanic 'wil' (will, desire) and 'helm' (helmet, protection) - a resolute protector.
The numerology number for Guillermina is 7, reflecting the personality traits and characteristics associated with this name.
Origin : spanish, germanic
Gender : girl
Numerology : 7
Syllables : 4
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Guillermina reduces to the number 7, which is most often linked to introspection, wisdom, spirituality. A person carrying this vibration is typically thoughtful and reflective - comfortable with solitude, drawn to deeper questions, and often described as an old soul.
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