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Cognomen Okonski (Okonski , Okoński ) , globally, is quite a rare surname. The cognomen Okonski is habitual in Poland, where it is quite a rare surname, Israel, where it is a rare surname, and France. Measured by absolute frequency, this name is the most popular in Poland, the United States, and France. Also, Okonski is the forename as well as the last name.