In all the world, Muchyn (Muchyn , Мучин ) is an extremely rare unknown gender first name. Much more frequently, Muchyn is the last name as well as the forename.
Мучын, and מוחין
Martin, and Fendey
, Мучин 
) is an extremely rare unknown gender first name. Much more frequently, Muchyn is the last name as well as the forename.