Is Rainbow a boy or girl name?

Rainbow is a girl’s name. Of the 606 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Rainbow

Recorded 1971–2025 · United States

Rainbow was most popular in 1980, when 28 American babies were given the name — ranking #4,836 that year. In 2025 it ranked #11,378, with 17 births. Across 1880–2025 the Social Security Administration has recorded 606 people named Rainbow.

Rainbow over time

Births per year. The dot marks Rainbow’s peak in 1980. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Rainbow a boy’s or a girl’s name?

Across the whole record Rainbow is a girl’s name — 100.0% of the 606 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% 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 Rainbow

Explore further

See Rainbow on the interactive charts

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