Surname Иларио (Hilario 
, Ilario , Иларио) , worldwide, is a widespread cognomen. The family name Иларио is habitual in Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, the Dominican Republic, and Peru (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Mexico, Philippines, and Peru. Also, Иларио is the forename as well as the last name.