Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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北海道 勇払郡むかわ町 春日の名字

About 40 【宇南山】3
About 20 【大川原】5
About 10 【赤坂】6
About 10 【阿部】7
About 10 【泉】6
About 10 【小坂】6
About 10 【門村】4
About 10 【沢】5
About 10 【今泉】6
About 10 【岡】6
About 10 【吉田】7
About 10 【柴田】7
About 10 【伝法谷】4
Very rare 【上田】7
Very rare 【芦谷】5
Very rare 【猪狩】5
Very rare 【伊藤】7
Very rare 【関】6
Very rare 【木下】6
Very rare 【工藤】7
Very rare 【熊谷】6
Very rare 【佐々木】7
Very rare 【三上】6
Very rare 【塩倉】3
Very rare 【下田】6
Very rare 【渋谷】6
Very rare 【高橋】7
Very rare 【千葉】6
Very rare 【中島】7
Very rare 【南山】5
Very rare 【西村】7
Very rare 【野崎】6
Very rare 【野宮】5
Very rare 【林】7
Very rare 【星】6
Very rare 【松浦】6
Very rare 【渡辺】7