Worldwide, Isaly (Isaly 
) is a very rare epicene first name. The forename Isaly is habitual in Philippines, where it is a very rare girly name, the United States, where it is an extremely rare dominantly feminine, but seldom male name, and India, where it is an extremely rare mostly male, but uncommonly feminine name. More prevalently, Isaly is the last name as well as the forename.