Guillermo Boy

Popularity: #638 · Trend: ↘ Falling

Name Meaning & Origin Pronunciation: gee-YER-mo /ɡiˈʝer.mo/

Origin: Spanish; Germanic

Meaning: Spanish: resolute protector; Germanic: will or desire

Historical & Cultural Background

The name Guillermo is of Spanish origin, derived from the Germanic name Wilhelm, which is composed of the elements "wil" meaning "will" or "desire" and "helm" meaning "helmet" or "protection." The transition from Wilhelm to Guillermo occurred through the influence of the Old High German form, which made its way into the Romance languages following the Norman Conquest of England in the 11th century. The name was adopted into Old Spanish as "Guillermo," reflecting the phonetic and orthographic adaptations typical of the period.

Historically, the name Guillermo has been borne by several notable figures, including saints and monarchs. One significant figure is Saint William of Aquitaine, a 10th-century nobleman who became a prominent religious leader and was canonized in the 12th century.

The name also gained prominence through various kings and nobles in medieval Spain, contributing to its establishment in the Spanish-speaking world. The name's presence in literature can be traced back to works such as "El Cantar de los Cantares" from the 12th century, which reflects the cultural milieu of the time.

Culturally, Guillermo carries connotations of strength and leadership, resonating with the protective qualities inherent in its etymological roots. The name has been associated with various historical and literary figures, further embedding it in the cultural consciousness.

Additionally, diminutive forms such as "Guille" have emerged, showcasing the name's adaptability and affection in familial and social contexts. Overall, Guillermo stands as a testament to the linguistic evolution from Germanic roots through the Romance languages, encapsulating a rich historical and cultural legacy.

Famous people named Guillermo

In this section, you will find notable people named Guillermo. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Guillermo who have made a significant impact on popular culture.

We also feature individuals named Guillermo who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Guillermo del Toro is a filmmaker best known for Pan's Labyrinth, The Shape of Water, and Pacific Rim.

Guillermo Ochoa is a professional soccer player best known for his performances with the Mexican national team and Club América.

Guillermo Rodríguez is a television personality best known for his work on the show El Gordo y la Flaca.

Fictional characters named Guillermo

The following list of fictional characters named Guillermo is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Guillermo de la Cruz is a fictional character from the TV series What We Do in the Shadows. He is a familiar to a vampire and navigates the challenges of his loyalty to his master while yearning for a normal life.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Guillermo, the following options are frequently chosen as complementary choices by parents.

Similar names

Based on our extensive baby names database, several names share stylistic or phonetic similarities with Guillermo. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.

U.S. Historical Usage

The name Guillermo was first seen in the United States in 1885.

Guillermo has ranked as high as #672 nationally, which occurred in 1998, and has been most popular in California, Texas, Arizona, New York, and Florida.

In the past 5 years the name Guillermo has been trending down compared to the previous 5 years.

Popularity Over Time (National)

The name Guillermo is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Guillermo was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Top States for Guillermo (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. In some cases, you may see four or five states listed. However, we only display states where the name represents a significant percentage of births, so the number of states shown can range from one to several.

State Births Share
TX 88
39%
CA 68
30%
FL 20
9%
IL 13
6%
AZ 12
5%
WA 8
4%
NC 6
3%
TN 6
3%
AL 5
2%

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Guillermo.

YearBirths
2024297
2023292
2022287
2021299
2020275
2019320
2018314
2017289
2016322
2015389
2014376
2013348
2012392
2011408
2010457
2009534
2008583
2007610
2006621
2005616
2004639
2003595
2002626
2001620
2000651
1999665
1998693
1997632
1996692
1995623
1994675
1993654
1992659
1991582
1990587
1989532
1988511
1987389
1986405
1985432
1984412
1983423
1982437
1981428
1980395
1979394
1978322
1977351
1976360
1975349
1974349
1973347
1972281
1971314
1970290
1969244
1968292
1967242
1966194
1965203
1964192
1963193
1962185
1961171
1960191
1959183
1958163
1957158
1956172
1955150
1954149
1953126
1952134
1951133
1950127
1949137
1948136
1947114
194693
194594
194477
194379
194253
194189
194071
193963
193870
193767
193679
193572
193486
193374
193271
1931100
1930101
192994
192887
1927100
1926107
192588
192487
192389
192257
192144
192068
191943
191834
191740
191620
191533
191426
191316
191218
191110
191013
19095
19087
19076
190510
190410
19006
18975
18928
18855