Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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富山県 高岡市 下窪の名字

About 40 【北】6
About 10 【辻】6
Very rare 【朝山】5
Very rare 【石王丸】3
Very rare 【嘉信】2
Very rare 【西田】6
Very rare 【下村】6
Very rare 【野口】6
Very rare 【向井】6
Very rare 【山田】7
Very rare 【米原】5
Very rare 【若井】5