>
Cognomen Isin (Isin , Исин , یسین) , all over the world, is quite a rare family name. The surname Isin is habitual in Guam, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Azerbaijan. Measured by absolute frequency, it is the most numerous in Kazakhstan, Azerbaijan, and Indonesia. Very seldom, Isin is the forename as well as the last name.