Etymology and distribution of 石中.

Ishinaka 【石中】^{レベル4
About 1,000}  The Japanese surnames etymology dictionary.

Toyama-ken , Shiga-ken , Kyouto-fu .

① Toyama-ken Imizu-shi Birth of Ichiii (Ichinoi). A place name with a record since the Edo period. The place name was also written as "Ichinoyai" and "Ichinosei".

② Shiga-ken Oumihachiman-shi Birth of Ichii-cho. Place name with a record since the North / South morning era. The name of the place is believed to be from Mr. Ichi's residence during the Kamakura period. Mr. Ichi wrote it as "Fuii".

③ 一井 no irregular shape. Kyouto-fu Yosa-gun Ine-chou In Kanno, tell him that he was renamed when Meiji New surname was last.