Is Mateusz a boy or girl name?

Mateusz is a boy’s name. Of the 1,156 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Name Legacy

Mateusz

Recorded 1987–2025 · United States

Mateusz was most popular in 2008, when 62 American babies were given the name — ranking #4,929 that year. In 2025 it ranked #16,070, with 10 births. Across 1880–2025 the Social Security Administration has recorded 1,156 people named Mateusz.

Mateusz over time

Births per year. The dot marks Mateusz’s peak in 2008. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Mateusz a boy’s or a girl’s name?

Across the whole record Mateusz is a boy’s name — 0.0% of the 1,156 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 Mateusz

Where Mateusz is most concentrated

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

Explore further

See Mateusz on the interactive charts

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