All over the world, Илер (Hilaire 
, Илер 
) is a common primarily boy's, but very seldom girly given name. The first name Илер is characteristic of Sub-Saharan Africa, particularly Cameroon, where it is quite a common boy's name, the Democratic Republic of the Congo, where it is quite a rare predominantly masculine, but very infrequently girly name, and Madagascar, where it is quite a rare masculine name. In absolute terms, the name is most common in Cameroon, the Democratic Republic of the Congo, and France. Also, Илер is the last name as well as the forename.