>
Cognomen Mostyn (Mostyn , Мостин ) , throughout the world, is quite a rare family name. The last name Mostyn is characteristic of Australia, where it is quite a rare surname, Ireland, and the United Kingdom, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United Kingdom, the United States, and Australia. Very seldom, Mostyn is the forename as well as the last name.