Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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京都府 舞鶴市 清道の名字

About 60 【矢原】5
About 60 【栢分】3
About 10 【福井】6
Very rare 【井上】7
Very rare 【亀井】6
Very rare 【吉田】7
Very rare 【坂根】5
Very rare 【豊島】6
Very rare 【中村】7