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Last name 佃 (Tsukuda , 佃 ) , in all the world, is quite a common family name. The last name 佃 is habitual in China, where it is a rare surname, Singapore, and Japan, where it is a very rare surname. Not in comparison with a country's population, it is commonest in China, Brazil, and Japan. Much less frequently, 佃 is the forename as well as the last name.