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Throughout the world, Shinsaku (Shinsaku , Синсаку) is a very rare boy's forename. The forename Shinsaku is habitual in Eastern Asia, particularly Japan, where it is a very rare boy's name. Very seldom, Shinsaku is the last name as well as the forename.
Abe, Harada, Hirata, Ishida, Yamada, Matsuda, Shibata, Hayashi, Yoshida, Nakamura, Nakayama, Nakagawa, Nakajima, Hasegawa, Igarashi, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Takahashi, Hashimoto, Tomita, Takeda, Takada, Tamura, Ito, Ono, Mori, Sato, Arai, Kato, Goto, Imai, Wada, Ueda, Yamashita, Maeda, Sakai, Inoue, Izuka, Ikeda, Ogawa, Murata, Sasaki, Suzuki, Kimura, Tanaka, Saito, and Yamaguchi