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Last name origin & meaning:

Japanese: from a very common place name. The meaning as now written is ‘mountain entrance’, but originally the full meaning was ‘entrance to the mountain forest’ (yamabayashi no iriguchi). The surname occurs most frequently in western Japan. It is listed in the Shinsen shōjiroku.

Famous people with this last name: Kristi Yamaguchi

This name appears in the following lists: Olympic Medalists