In all the world, Рейни (Reini 
, Rainey 
, Rejni 
) is quite a rare epicene first name. The given name Рейни is characteristic of Austria, where it is quite a rare masculine name, the Dominican Republic, where it is a rare unisex name, and Georgia, where it is a rare boy's name. In absolute terms, it is the most numerous in India, the United States, and Brazil. Also, Рейни is the last name as well as the forename.