Is Rainier a boy or girl name?

Rainier is a boy’s name. Of the 920 Americans recorded with the name since 1880, 5.0% were girls and 95.0% were boys.

Rainier

Recorded 1956–2025 · United States

Rainier was most popular in 2023, when 51 American babies were given the name — ranking #5,564 that year. In 2025 it ranked #7,111, with 35 births. Across 1880–2025 the Social Security Administration has recorded 920 people named Rainier.

Rainier over time

Births per year. The dot marks Rainier’s peak in 2023. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Rainier a boy’s or a girl’s name?

Across the whole record Rainier is a boy’s name — 5.0% of the 920 Americans given it were girls and 95.0% were boys. In births since 2016 it is 10% girls and 90% 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 Rainier

Where Rainier is most concentrated

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

Explore further

See Rainier on the interactive charts

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