Cognomen רושין (Roisin 
, Róisín 
, רושין 
) , all over the world, is quite a rare last name. The family name רושין is characteristic of Belgium, where it is quite a rare surname, France, and Ireland, where it is a rare surname. Measured by absolute frequency, it is commonest in France, Belgium, and Brazil. More prevalently, רושין is the forename as well as the last name.