Etymology and distribution of 三石.

Mitsuishi 【三石】^{レベル5
About 4,800}  The Japanese surnames etymology dictionary.

長野県、東京都、神奈川県。ミイシ、サンゴクは稀少。

①長野県佐久市中込三石発祥。長野県佐久市入澤が本拠。同地に江戸時代にあった。

②長野県飯田市下久堅知久平の小字の三石から発祥。同地付近に分布あり。

③岡山県備前市三石発祥。南北朝時代に記録のある地名。

④兵庫県三田市上槻瀬の小字の三石から発祥。同地付近に分布あり。地名、姓はサンゴク。

Sangoku 【三石】^{レベル5
About 4,800}  The Japanese surnames etymology dictionary.

Yamaguchi-ken , Kagoshima-ken , Ooita-ken . Creation . 末広 's variant. Yamaguchi-ken Iwakuni-shi Distributed in Yokoyama. Estimated in the early Edo period was the same name "wide" that Mr. Yoshikawa of the clan lord of Iwakuni of the Clan office made as a character. Men 's name is Suemori. It was in the Okayama-ken during the Warring States Period. Hiroshima-ken Mihara-shi Numedada Town Suehiro (Suehiro) is a place name with a notation of "Suhiro" in the Muromachi period. From the end gate of the gate division system that was in the Edo era. An example of the location of the gate. Kagoshima-ken Satsumasendai-shi Iriki cho Urustano , Kagoshima-ken Kanoya-shi Kamakuma- cho.

Miishi 【三石】^{レベル5
About 4,800}  The Japanese surnames etymology dictionary.

三石ミツイシ参照。