Arc of colors in the sky
Derived directly from the English word for the meteorological phenomenon caused by reflection, refraction, and dispersion of light in water droplets. It has been used as a rare given name since the 1960s, often associated with hope and diversity.
About 17 girls were named Rainbow in 2025.
US births per 5-year period, 1990–present (SSA data).
Bestselling young adult novelist
Canadian actor known for Stargate Atlantis
Matriarch of the Johnson family · Black-ish
Pegasus pony character · My Little Pony: Friendship is Magic
