Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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兵庫県 宍粟市 河原田の名字

About 80 【段林】3
About 50 【森下】6
About 50 【長田】6
About 50 【沢田】6
About 40 【小林】7
About 30 【佐古井】3
About 30 【花本】5
About 30 【山本】7
About 20 【蒲田】5
About 20 【下谷】5
About 10 【下田】6
About 10 【新免】4
About 10 【戸尻】3
Very rare 【池田】7
Very rare 【上谷】5
Very rare 【岡】6
Very rare 【海法】3
Very rare 【栗山】6
Very rare 【阪本】6
Very rare 【中田】6
Very rare 【原】7
Very rare 【広島】5
Very rare 【細川】6
Very rare 【安井】6
Very rare 【和田】7