Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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愛知県 稲沢市 西溝口町北郷の名字

About 50 【溝口】6
About 20 【平野】6
About 10 【安藤】7
About 10 【前田】7
About 10 【山田】7
Very rare 【磯村】5
Very rare 【吉田】7
Very rare 【杉浦】6
Very rare 【内藤】6
Very rare 【村松】6
Very rare 【山口】7