Name Legacy

Guilherme

Recorded 1921–2025 · United States

Guilherme was most popular in 2006, when 39 American babies were given the name — ranking #6,581 that year. In 2025 it ranked #18,449, with 8 births. Across 1880–2025 the Social Security Administration has recorded 522 people named Guilherme.

Most popular in2006
Rank that year#6,581
Births that year39
Total since 1880522
Given to100% boys

Guilherme over time

18802025
Births per year. The dot marks Guilherme’s peak in 2006. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Guilherme a boy’s or a girl’s name?

Across the whole record Guilherme is a boy’s name — 0.0% of the 522 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Guilherme

Where Guilherme is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Guilherme on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org