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Cognomen Jumabai (Жумабай , Jumabai , Жумабаи ) , in the entire world, is quite a rare surname. The family name Jumabai is habitual in Kyrgyzstan, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Russia, where it is a very rare surname. More prevalently, Jumabai is the forename as well as the last name.