All over the world, Kosyhin (Kosyhin , Косыхин ) is an extremely rare unknown gender first name. Much more frequently, Kosyhin is the last name as well as the forename.
Косигін, and Косыгин
Oleh
, Косыхин 
) is an extremely rare unknown gender first name. Much more frequently, Kosyhin is the last name as well as the forename.