Origin & Meaning of the Guillermo Surname
What does the last name Guillermo mean?
The surname Guillermo carries the meaning "Origin and meaning under research." It is derived from the Unknown language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 3,393 bearers in the 2010 US Census, Guillermo ranks as the #9,581 most common surname in the United States.
Where does the surname Guillermo come from?
The Guillermo surname has its roots in Unknown heritage. Names of Unknown origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Guillermo name far beyond its original homeland.
Language of Origin
The linguistic roots of Guillermo trace back to Unknown. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.
Quick Facts
| Surname | Guillermo |
|---|---|
| Meaning | Origin and meaning under research |
| Origin | Unknown |
| Language | Unknown |
| US Rank (2010) | #9,581 |
| US Count (2010) | 3,393 |
| Per 100K People | 1.15 |
| First Letter | G |
Ethnic Distribution of Guillermo
According to the US Census, the Guillermo surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 3,393 Americans with the Guillermo last name.
| Ethnicity | Percentage |
|---|---|
| White | 4.39% |
| Black | 0.65% |
| Hispanic | 55.03% |
| Asian/Pacific Islander | 35.34% |
| Native American | 0.24% |
| Two or More Races | 4.36% |
Popularity of Guillermo Over Time
Comparing US Census data from 2000 and 2010 shows how the Guillermo surname has changed in prevalence.
The number of Americans with the Guillermo surname increased by 924 between 2000 and 2010.
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Similar Surnames to Guillermo
These surnames share similar popularity, spelling, or cultural background with Guillermo.
Other Unknown Surnames
Explore more surnames with Unknown roots. There are 162,254 surnames in our database — here are some that share the same Unknown origin as Guillermo.
Frequently Asked Questions About Guillermo
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