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Worldwide, Tachihara (立原 , Tachihara ) is a rare epicene given name. The given name Tachihara is characteristic of Eastern Asia, particularly China, where it is a very rare gender-neutral name. Very seldom, Tachihara is the last name as well as the forename.
To, Akira, Ayano, Chuji, Becky, Bunyu, Kazuo, Kazue, Kachi, Kenji, Keiko, Keiji, Kikuo, Rieko, Rikyu, Daisy, Julia, Jitsu, Takao, Takeo, Tadao, Tomio, Seiji, Shozo, Shoji, Shiro, Ei, Sho, Kun, Kin, Ryo, Miki, Akio, Koji, Lisa, Lynn, Teruo, Toru, Eiji, Eiyu, Ippu, Yoji, Yuji, Maria, Masao, Misao, Mikio, Sadao, Tomi, and Nobuo