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Family name Ircha (Ircha , Irch , Ирха ) , all around the world, is quite a rare last name. The surname Ircha is characteristic of Slovakia, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Russia, Slovakia, and Poland. Also, Ircha is the forename as well as the last name.