Cognomen טיליס (Tillis 
, טיליס 
) , in the entire world, is quite a rare family name. The last name טיליס is habitual in the United States, where it is a rare surname, Israel, and Greece. Not in comparison with a country's population, it most frequently occurs in the United States, Canada, and Israel. Much less frequently, טיליס is the forename as well as the last name.