Meaning and history
Rain is a modern English nature name taken directly from the word for water falling from the atmosphere, which comes from Old English regn. It is used for both girls and boys and belongs to the broader modern practice of adopting weather and landscape words as personal names. Variants include Raine and Rayne; a notable bearer is American actress and musician Rain Phoenix.
In 2025, 182 babies were recorded with the name Rain, ranking #1,235 among girls.