Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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山形県 鶴岡市 小国乙の名字

About 200 【五十嵐】6
About 10 【加藤】7
About 10 【平形】4
About 10 【阿部】7
Very rare 【小林】7
Very rare 【熊澤】5
Very rare 【佐藤】7
Very rare 【渋谷】6
Very rare 【常田】5
Very rare 【富樫】6