Worldwide, Dainious (Дайнюс , Даиниус , Dainious ) is a very rare masculine first name. Very seldom, Dainious is the last name as well as the forename.
Даинюс
Mason, Johnson, and Kairaitis
, Даиниус 
) is a very rare masculine first name. Very seldom, Dainious is the last name as well as the forename.