Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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広島県 神石郡神石高原町 光信の名字

About 60 【門田】6
About 30 【延岡】4
About 20 【大田】6
About 20 【瀬尾】6
About 10 【大元】5
Very rare 【赤木】6
Very rare 【東原】5
Very rare 【石田】7
Very rare 【江村】5
Very rare 【神田】6
Very rare 【松本】7