Is Luiz a boy or girl name?

Luiz is a boy’s name. Of the 3,349 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Luiz

Recorded 1915–2025 · United States

Luiz was most popular in 2000, when 112 American babies were given the name — ranking #2,760 that year. In 2025 it ranked #8,252, with 28 births. Across 1880–2025 the Social Security Administration has recorded 3,349 people named Luiz.

Luiz over time

Births per year. The dot marks Luiz’s peak in 2000. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Luiz a boy’s or a girl’s name?

Across the whole record Luiz is a boy’s name — 0.0% of the 3,349 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 Luiz

Where Luiz is most concentrated

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

Explore further

See Luiz on the interactive charts

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