Guillermo: Name Day, Name Meaning & More
Name days are historically significant celebrations where individuals honor the saint corresponding to their name, often reflecting cultural and religious traditions. The name Guillermo, which means 'resolute protector,' originates from ancient Germanic elements filtered through Spanish language evolution. It carries an elegant and powerful mood, suggesting a classic, strong character profile. Guillermo's specific name day celebrations occur on multiple dates, reflecting varied regional traditions. For instance, the name day is observed in the US and Spain on June 25.
Name Day: Dates by Country
Guillermo's name day is celebrated
on January 11 in Spain,
February 10 in Spain and
June 25 in Spain and the USA.
The Story Behind This Name
Guillermo is a recognizable name in the United States, predominantly associated with Spanish-speaking communities. Its usage reflects the significant cultural diversity and linguistic heritage across the country. Historically, the name's popularity often tracks with immigration patterns from Latin American countries. While less common than its English counterpart, William, Guillermo maintains a steady presence, especially in states like California, Texas, and Florida. The name has become integrated into the American naming landscape over the last century.
Name origin and meaning
The name Guillermo traces its linguistic roots back to the ancient Germanic language tradition. It serves as the established Spanish equivalent of the widely used English name, William. The structure of the name combines the Germanic elements *wil*, signifying 'will' or 'desire,' and *helm*, which translates to 'helmet' or 'protection.' Therefore, the core meaning of Guillermo is generally interpreted as 'resolute protector' or 'with gilded helmet.' This strong and profound definition has cemented its status in Romance language culture.
Name Identity: Gender Classification
Guillermo is universally classified as a strictly masculine name across all regions of the world. There are virtually no documented instances of it being used as a feminine or unisex identifier in any major language or cultural sphere. Its strong historical association with traditional male figures solidifies its gender classification within Spanish-speaking regions. In both Europe and the Americas, it remains exclusively reserved for boys and men. Thus, Guillermo holds a firm identity as a decidedly male name worldwide.
The Name Effect: Mood, Tone & Personality
The name Guillermo evokes a strong and somewhat formal mood, suggesting tradition and deep-rooted confidence. It carries a sense of enduring elegance combined with a powerful, resolute tone. The sound is classic and resonant, implying a personality that is both grounded and honorable. This designation projects a vibe that is authoritative and dependable, rather than playful or whimsical. Overall, Guillermo suggests maturity and a sophisticated character.
Unlocking the Hidden Meaning of Name: Guillermo
Your name is more than just a label - it holds a unique energy that influences your personality, destiny, and life path. Through numerology and astrology, we uncover the deeper meanings behind your name, revealing your strengths, challenges, and the energy you bring into the world.
Pythagorean Numerology: The Hidden Meaning of Name
Destiny number: 4 – The Builder
Keywords: Stability, structure, practicality, diligence, discipline
Positive Traits: Hardworking, dependable, detail-oriented, disciplined, loyal
Challenges: Can be rigid, stubborn, or overly cautious
Life Path Meaning: A mission to create a solid foundation through persistence and structure.
Chaldean Numerology: Name Energy and Spiritual Insights
First name number: 7 - The Seeker.
Traits: Intellectual, spiritual, analytical, mysterious.
Strengths: Deep thinker, intuitive, philosophical.
Challenges: Can be isolated, skeptical, or struggle with emotional openness.
The Cosmic Secret Code: What The Name Says About You
The name is linked to the planet that governs it, shaping the name's meaning and influencing the traits associated with it.
Planet: Uranus - Innovation, Rebellion, Originality.
Uranus governs innovation, change, and forward-thinking. Names under Uranus’ influence often belong to individuals who are unconventional, independent, and visionary. These names resonate with those who challenge norms, embrace individuality, and thrive in creative or technological fields. Uranus-ruled names often suggest uniqueness and originality.
Name days: Name Guillermo
This list shows name days in different countries where the name is written in the same form. The dates are based on traditional calendars and cultural name celebrations. If your name matches exactly, you can see when it is honored in various parts of the world.
| Country | Month | Day | Name days |
 Spain | January | 11 | Alejandro, Guillermo, Higinia, Higinio, Hortensia, Modesto |
| Spain | February | 10 | Amancio, Arnaldo, Arnau, Ecolástica, Guillermo |
| Spain | June | 25 | Guillermo, Salomón |
 USA | June | 25 | Bill, Billie, Billy, Guillermo, Liam, Mina, Minnie, Prosper, Velma, Vilma, Wilhelmina, Will, William, Willie, Willis, Wilma, Wilson |
Guillermo A Name of Resolute Strength
Guillermo is a firmly established masculine name in the US, reflecting a deep Spanish linguistic heritage and continued usage. Its origin as the Spanish form of William defines its powerful meaning, 'resolute protector.' The name exudes a confident, traditional, and elegant mood, setting a sophisticated tone. Gender identity for Guillermo is exclusively male across global usage patterns. Name days for this honorable title are celebrated on various dates, including June 25 in both the USA and Spain.
When Is Your Name Day?
Discover your name day quickly and easily with our name day search tool. Simply enter your name in the search box below, and you'll instantly see the exact date of your name day celebration. Find out when to celebrate and never miss a special occasion!
