Gillermo

Determined protector
Spain origin · Boy name
97% boys3% girls
#707US 2023
1.5kBirths / yr
Stable
633All-time births
📅 Since 192200
How to pronounce Gillermo
GIL·er·MOH
/ˈɡɪl.ɝ.ˈmoʊ/ · stress on GIL · 3 syllables
Determined protector
Spain origin · Boy name

What does Gillermo mean and where does it come from?

Gillermo is of Spanish origin, derived from the Germanic name Wilhelm, which means 'resolute protector'. It has been used in various cultures, particularly in Spain and Latin America. The name has historical significance, as it was borne by several kings and notable figures in Spanish history. A fam

Cultural significance
Gillermo has been a cherished name across cultures, particularly in Spain-speaking communities, where it reflects values of determined protector.
Peak popularity
Reached #2198 in 1972 — currently #707 in the US.
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Related Reading
Spain-origin baby names with timeless appeal
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What middle names flow best with Gillermo?

Gillermo works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Gillermo Grace
Most popular combo · classic
Gillermo Rose
Floral · soft ending
Gillermo Mae
Sweet · timeless
Gillermo Claire
French influence · crisp
Gillermo Jane
Literary · strong
Gillermo Skye
Modern · airy feel
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Middle Names
The best middle names for Gillermo
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How popular is Gillermo right now?

Holding steady — currently #707 in the US out of 135.5k tracked names

US Trend 19252023#707 · Top 0.52%
1925
1930
1950
1960
1970
1975
1980
1985
1990
1995
2000
2005
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#7071,493▲ up 5 · +1% births
2022#7121,473▲ up 5 · +2% births
2021#7171,443▲ up 9608 · +23950% births
2005#103256▼ down 1972 · -14% births
2000#83537▼ down 4243 · -53% births
1995#411015▲ up 372 · +25% births
1990#448212▼ down 1003 · -8% births
1985#347913▲ up 780 · +44% births
1980#42599▼ down 927 · -18% births
1975#333211▼ down 509 · -8% births
1970#282312▲ up 1552 · +140% births
1960#43755▼ down 1105 · -29% births
1950#32707▲ up 684 · +17% births
1930#39546▼ down 229 · -14% births
1925#37257

The story of Gillermo

Gillermo entered American naming records in 1922 and has been in use for over 102 years. With 633 total births recorded, Gillermo remains relatively uncommon. The name has grown more popular over time, rising from #3725 in 1925 to #707 in 2023.

Names that peaked alongside Gillermo in 1972:

Gillermo by decade

Gillermo peaked in the 1970s. See all 1970s names →

DecadeBirths
1920s55
1930s33
1940s39
1950s56
1960s38
1970s112
1980s103
1990s138
2000s54
2010s5
💎Gillermo has only 633 total recorded births since 1922 — rarer than 99% of names in our database.

What are good nicknames for Gillermo?

Common
GilGiErmo

Common questions about the name Gillermo

What does the name Gillermo mean?
Gillermo means "Determined protector" — a name rooted in Spain tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Gillermo?
Gillermo is currently ranked #707 as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Gillermo?
Gillermo originates from Spain tradition. Spain names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Gillermo?
Gillermo is a three-syllable name pronounced G IH1 L ER0 M OW1. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
What sibling names go well with Gillermo?
Gillermo pairs beautifully with sibling names that share a similar Spain heritage or complement its melodic and flowing sound. Names with a similar vibe create a cohesive sibling set without matching too closely.