Is Willem a boy or girl name?

Willem is a boy’s name. Of the 2,840 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Willem

Recorded 1916–2025 · United States

Willem was most popular in 2003, when 122 American babies were given the name — ranking #2,754 that year. In 2025 it ranked #5,540, with 51 births. Across 1880–2025 the Social Security Administration has recorded 2,840 people named Willem.

Willem over time

Births per year. The dot marks Willem’s peak in 2003. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Willem a boy’s or a girl’s name?

Across the whole record Willem is a boy’s name — 0.0% of the 2,840 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 Willem

Where Willem is most concentrated

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

Explore further

See Willem on the interactive charts

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