Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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長野県 木曽郡木曽町 小沢の名字

About 20 【海老沢】5
About 20 【樽沢】3
About 10 【青木】7
About 10 【中宿】3
About 10 【赤堀】5
About 10 【生駒】5
About 10 【郡上】3
About 10 【児野】3
About 10 【千村】5
About 10 【渡沢】3
About 10 【野田】6
About 10 【室原】4
Very rare 【東】6
Very rare 【上田】7
Very rare 【石川】7
Very rare 【石田】7
Very rare 【浦沢】4
Very rare 【小池】6
Very rare 【起】3
Very rare 【奥原】5
Very rare 【小沢】6
Very rare 【河上】5
Very rare 【清水】7
Very rare 【倉下】4
Very rare 【原】7
Very rare 【澤口】5
Very rare 【下田】6
Very rare 【島倉】5
Very rare 【下澤】4
Very rare 【鈴木】7
Very rare 【関屋】5
Very rare 【高橋】7
Very rare 【田沢】5
Very rare 【長島】6
Very rare 【寺沢】6
Very rare 【渡澤】3
Very rare 【栩秋】2
Very rare 【中川】7
Very rare 【中村】7
Very rare 【二木】5
Very rare 【西村】7
Very rare 【野口】6
Very rare 【野溝】4
Very rare 【林】7
Very rare 【原田】7
Very rare 【彦瀬】2
Very rare 【日野】6
Very rare 【広田】6
Very rare 【松尾】6
Very rare 【明嵐】3
Very rare 【三浦】7
Very rare 【森田】7
Very rare 【山村】6
Very rare 【山室】5
Very rare 【和木】4