Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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宮崎県 宮崎市 古城町長田の名字

About 30 【長友】5
About 20 【戸高】5
About 10 【押川】5
About 10 【串間】4
About 10 【日高】6
Very rare 【黒木】6
Very rare 【別府】5