The Japanese surnames etymology dictionary.
① things . From Yokadamo at Yamagata-ken , from Tokai branch (Shoji) which marked Shosuki which is the designation of Tonelico in a form corresponding to "Saikai branch (saikachi)". 西海枝 reference. Yamagata-ken Nishimurayama-gun Nishikawa-machi There was a record at the Tsunegi-no -misaka Hall in 1577 (Tensho 5th year). There is Shioji in Shimane prefecture. In Yamagata-ken Sakata-shi Takeda he resides from the swampy pavilion and has a period when he changed to Susa surname in the Edo period, and when he reverts to Tokai Lin surname, he tells me that he is pronounced as Touchai Lin. Yamagata-ken Yamagata-shi There is a transmission that Aoyagi also came from the swampy flat building.
② Occupation . 庄司 's variant. Yamagata-ken Obanazawa-shi In Noguzawa , Kyouto-fu Kyouto-shi tells us that the descendants of Shoji surname came to Muromachi period and the descendants renamed Tokai Lin surname. Akita-ken Yurihonjou-shi Ozaki was in the Edo period in the Honjo clan of the clan government. The same clan says that he changed the name from Shoji surname in the Edo period.