Worldwide, Илягу (Илягу , Ilyagu ) is a very rare male first name. Much less frequently, Илягу is the last name as well as the forename.
Ilyahu
Илягуев, and Манаширов
, Ilyagu 
) is a very rare male first name. Much less frequently, Илягу is the last name as well as the forename.