Throughout the world, Керис (Karis 
, Cerys 
, Керис 
) is quite a common epicene first name. The first name Керис is characteristic of Hong Kong, where it is quite a rare largely female, but seldom masculine name, the United Kingdom, where it is quite a rare female name, and Jamaica. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Indonesia. Also, Керис is the last name as well as the forename.
Керис is also a name for the fictitious and mythical characters: Cerys an Craite , the fictional character from the Witcher series, The Witcher 3: Wild Hunt.