Guillermo

Boy name

Guillermo has been given to 32,148 babies in the U.S. since 1885. It peaked in 1998 and currently ranks #902 for boys (2025).

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

32,148

Peak year

1998 (693 babies)

Rank in 2025

#902 for boys

First recorded

1885

10-year trend

▼ -32%

Gender split

0% girls / 100% boys

Guillermo Lasso

55th President of Ecuador from 2021 to 2023

Guillermo del Toro

Mexican filmmaker and author (born 1964)

Guillermo Stábile

Argentine football player and manager

Guillermo Vilas

Argentine tennis player

Notability data from Wikidata (CC0).

Same primary gender, peaked around the same years, and roughly as common as Guillermo.

31,959 babies since 1957

31,958 babies since 1880

31,665 babies since 1903

31,600 babies since 1921

31,397 babies since 1893

31,275 babies since 1880

33,501 babies since 1946

30,730 babies since 1880

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