Worldwide, Ivanushchak (Ivanushchak , Иванущак ) is an extremely rare unknown gender given name. Much more prevalently, Ivanushchak is the last name as well as the forename.
Иванушчак, and Іванущак
Oksana
, Иванущак 
) is an extremely rare unknown gender given name. Much more prevalently, Ivanushchak is the last name as well as the forename.