In the world, Dellius (Делий , Dellius , דליוס ) is a very rare male given name. More prevalently, Dellius is the last name as well as the forename.
Delio, Dellio, Dillius, and Дэллюс
, Dellius 
, דליוס 
) is a very rare male given name. More prevalently, Dellius is the last name as well as the forename.