Name Profile
Guilherme
“Portuguese form of William, meaning resolute protector” — Portuguese
BoyPortuguese3 syllables
About Guilherme
Guilherme appears in U.S. Social Security baby-name records. Guilherme has Portuguese origin. A standardized meaning is not consistently documented across public sources.
Quick Facts
Popularity in the U.S.
Guilherme is not in the U.S. SSA top 1,000 for 2025 boys.
Trend chart unavailable for this name right now.
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Frequently Asked Questions
What does Guilherme mean?
Guilherme is commonly linked to the meaning Portuguese form of William, meaning resolute protector and is associated with Portuguese roots.
Is Guilherme a popular baby name in the U.S.?
Guilherme is not in the U.S. SSA top 1,000 for 2025 boys.