Is Rudolf a boy or girl name?

Rudolf is a boy’s name. Of the 2,951 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Rudolf

Recorded 1882–2024 · United States

Rudolf was most popular in 1927, when 82 American babies were given the name — ranking #1,459 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 2,951 people named Rudolf.

Rudolf over time

Births per year. The dot marks Rudolf’s peak in 1927. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Rudolf a boy’s or a girl’s name?

Across the whole record Rudolf is a boy’s name — 0.0% of the 2,951 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 Rudolf

Where Rudolf is most concentrated

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

Explore further

See Rudolf on the interactive charts

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