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Globally, 真珠 (Zhenzhu , Shinju , 真珠 ) is quite a rare dominantly feminine, but seldom boy's first name. The forename 真珠 is habitual in Ireland, where it is a rare boy's name, South Korea, where it is a rare feminine name, and China, where it is a very rare largely girly, but infrequently male name. Measured by absolute frequency, it is the most numerous in China, South Korea, and India. Likewise, 真珠 is the last name as well as the forename.
真珠 is also a name for the fictitious and mythical characters: Zhenzhu , the Dream of the Red Chamber character.