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Worldwide, Bigen (Bigen ) is quite a rare epicene first name. The first name Bigen is characteristic of Japan, where it is a rare girly name, Tanzania, where it is a very rare boy's name, and India, where it is a very rare dominantly male, but infrequently girly name. In absolute terms, it is commonest in Japan, India, and Indonesia. Very seldom, Bigen is the last name as well as the forename.
He, Mahato, Maskey, Mondal, Sangma, Sharma, Aragon, Barman, Kansas, Gurung, Tamang, Thakur, Yasini, Özhan, Chettri, Chhetri, Clerigo, Bathari, Kilaton, Masabong, Shrestha, Gonzales, Matroh, Mandal, Zhang, Yadav, Bai, Ray, Rai, Roy, Das, Liu, Tan, Zhu, Chen, Devi, Yasutake, Tare, Subba, Aryal, Besra, Kumar, Reyes, Dewan, Dalei, Limbu, Lohar, Thapa, Mahto, and Langthasa