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In the world, Gengo (Gengo ) is a common boy's given name. The first name Gengo is characteristic of Japan, where it is quite a common male name, and India, where it is an extremely rare epicene name. Very seldom, Gengo is the last name as well as the forename.
Abe, Uchida, Sakurai, Shimizu, Kumagai, Kikuchi, Hayashi, Yoshida, Murakami, Sakamoto, Kurokoshi, Nakamura, Nakajima, Ishikawa, Igarashi, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Takahashi, Hashimoto, Yamada, Fujita, Fukuda, Furuya, Ito, Ono, Mori, Sato, Aoki, Kato, Goto, Hino, Maeda, Saito, Yamashita, Sakai, Ishii, Ikeda, Murata, Sasaki, Suzuki, Andrea, Kaneko, Kuroda, Kimura, Tanaka, Inoue, and Yamaguchi