Etymology and distribution of Japanese surnames.

The Japanese surnames etymology dictionary.
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山梨県 笛吹市 国分の名字

About 130 【深山】5
About 70 【岩間】6
About 70 【石原】6
About 30 【窪島】4
About 30 【雨宮】6
About 30 【小林】7
About 20 【牧野】6
About 20 【沓間】3
About 20 【古屋】6
About 20 【水上】6
About 20 【田中】7
About 10 【池田】7
About 10 【鈴木】7
About 10 【原田】7
About 10 【風間】6
About 10 【高橋】7
About 10 【武田】7
About 10 【宮島】6
Very rare 【相澤】5
Very rare 【赤尾】5
Very rare 【芦田】6
Very rare 【有泉】5
Very rare 【石川】7
Very rare 【一木】5
Very rare 【岩崎】6
Very rare 【内田】7
Very rare 【大江】6
Very rare 【大和】6
Very rare 【長田】6
Very rare 【小沢】6
Very rare 【小野田】6
Very rare 【梶原】6
Very rare 【川野】6
Very rare 【吉田】7
Very rare 【酒井】7
Very rare 【佐藤】7
Very rare 【志村】6
Very rare 【霜村】4
Very rare 【白沢】5
Very rare 【田草川】4
Very rare 【塚田】6
Very rare 【土屋】6
Very rare 【殿岡】4
Very rare 【内藤】6
Very rare 【永井】6
Very rare 【中沢】6
Very rare 【中村】7
Very rare 【南雲】5
Very rare 【成島】5
Very rare 【新沼】5
Very rare 【西村】7
Very rare 【日原】5
Very rare 【野沢】6
Very rare 【平山】6
Very rare 【広瀬】6
Very rare 【藤生】5
Very rare 【藤本】7
Very rare 【保々】3
Very rare 【堀】6
Very rare 【増田】6
Very rare 【宮川】6
Very rare 【村松】6
Very rare 【森】7
Very rare 【由井】5