Guillermo Boy

Popularity: #679 · 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.

DiegoSantiagoMateoJavierCarlosLuis

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.

FernandoAlejandroEmilioAntonioRicardoHectorPabloJulio

U.S. Historical Usage

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

Guillermo has ranked as high as #762 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.

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.

Year Total Births Boy Girl
2025 264 264 0
2024 299 299 0
2023 294 294 0
2022 287 287 0
2021 299 299 0
2020 275 275 0
2019 320 320 0
2018 314 314 0
2017 289 289 0
2016 322 322 0
2015 389 389 0
2014 376 376 0
2013 348 348 0
2012 392 392 0
2011 408 408 0
2010 457 457 0
2009 534 534 0
2008 583 583 0
2007 610 610 0
2006 626 621 5
2005 616 616 0
2004 639 639 0
2003 595 595 0
2002 626 626 0
2001 620 620 0
2000 651 651 0
1999 665 665 0
1998 693 693 0
1997 632 632 0
1996 692 692 0
1995 629 623 6
1994 681 675 6
1993 661 654 7
1992 666 659 7
1991 590 582 8
1990 587 587 0
1989 532 532 0
1988 516 511 5
1987 388 388 0
1986 405 405 0
1985 437 432 5
1984 412 412 0
1983 423 423 0
1982 442 437 5
1981 433 428 5
1980 400 395 5
1979 394 394 0
1978 322 322 0
1977 351 351 0
1976 360 360 0
1975 354 349 5
1974 349 349 0
1973 347 347 0
1972 281 281 0
1971 314 314 0
1970 290 290 0
1969 244 244 0
1968 292 292 0
1967 242 242 0
1966 199 194 5
1965 203 203 0
1964 192 192 0
1963 193 193 0
1962 185 185 0
1961 171 171 0
1960 191 191 0
1959 184 184 0
1958 162 162 0
1957 158 158 0
1956 172 172 0
1955 150 150 0
1954 149 149 0
1953 126 126 0
1952 134 134 0
1951 133 133 0
1950 127 127 0
1949 137 137 0
1948 136 136 0
1947 114 114 0
1946 93 93 0
1945 94 94 0
1944 77 77 0
1943 79 79 0
1942 53 53 0
1941 89 89 0
1940 71 71 0
1939 63 63 0
1938 70 70 0
1937 67 67 0
1936 79 79 0
1935 72 72 0
1934 86 86 0
1933 74 74 0
1932 71 71 0
1931 100 100 0
1930 101 101 0
1929 94 94 0
1928 87 87 0
1927 100 100 0
1926 107 107 0
1925 88 88 0
1924 87 87 0
1923 89 89 0
1922 57 57 0
1921 44 44 0
1920 68 68 0
1919 43 43 0
1918 34 34 0
1917 40 40 0
1916 20 20 0
1915 33 33 0
1914 26 26 0
1913 16 16 0
1912 18 18 0
1911 10 10 0
1910 13 13 0
1909 5 5 0
1908 7 7 0
1907 6 6 0
1905 10 10 0
1904 10 10 0
1900 6 6 0
1897 5 5 0
1892 8 8 0
1885 5 5 0

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. The table below shows the five states with the highest number of births for this name in the selected year. Use the toggle to expand the list to every state with reported births.

State Births Share
TX 88
38%
CA 68
29%
FL 20
9%
IL 13
6%
AZ 12
5%
WA 8
3%
CO 7
3%
NC 6
3%
TN 6
3%
AL 5
2%