Guillermo
Guillermo: name meaning, origin and popularity
How popular is Guillermo?
Since 1880, 74 girls and 32,074 boys in the U.S. have been named Guillermo (0% girls). Its highest rank for girls was #6918 in 1966. Its highest rank for boys was #352 in 1996. In 2025 it ranked #902 for boys, with 264 babies given the name.
Names similar to Guillermo
Names that start with the same letters, most popular first.
Sibling name ideas for Guillermo
Names that peaked around the same time as Guillermo and are still in the U.S. top 1,000.
Guillermo FAQ
How popular is the name Guillermo?
Since 1880, 74 girls and 32,074 boys in the U.S. have been named Guillermo (0% girls). Its highest rank for girls was #6918 in 1966. Its highest rank for boys was #352 in 1996. In 2025 it ranked #902 for boys, with 264 babies given the name.
Is Guillermo a boy or girl name?
Guillermo is mostly a boy name in the U.S.: 74 girls and 32,074 boys since 1880.
Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year).