Rainn is a distinctive boys' name in United States, ranking #3491 in 2024 with 33 recorded births. This places Rainn in the top 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 43 births ranking #2899. In 2024, approximately 1 in every 51,979 boys born was named Rainn. STABLE Recent data shows the name is currently stable.