All over the world, Illis (Illis 
, Иллис 
) is a rare largely female, but seldom boy's first name. The first name Illis is habitual in Morocco, where it is a rare principally feminine, but very infrequently boy's name, China, where it is an extremely rare gender-neutral name, and India. Also, Illis is the last name as well as the forename.