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In all the world, Масуко (Masuko , 益子 , Масуко) is quite a rare predominantly feminine, but very infrequently male first name. The given name Масуко is characteristic of Japan, where it is quite a rare feminine name, South Africa, where it is a very rare mostly feminine, but infrequently masculine name, and China, where it is a very rare unisex name. Much less frequently, Масуко is the last name as well as the forename.