Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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岐阜県 恵那市 笠置町河合の名字

About 90 【林】7
About 80 【山本】7
About 70 【鈴村】5
About 60 【遠藤】7
About 40 【和田】7
About 30 【市川】6
About 20 【保母】4
About 20 【鷲見】5
About 20 【樋田】5
About 10 【伊藤】7
About 10 【北原】6
About 10 【山口】7
About 10 【安田】6
About 10 【吉田】7
About 10 【藤井】7
Very rare 【飯田】6
Very rare 【稲川】5
Very rare 【小田】6
Very rare 【可知】5
Very rare 【柘植】5
Very rare 【中村】7
Very rare 【山田】7