Tochimoto 【栃本】4 The Japanese surnames etymology dictionary.
① Fukui-ken Tsuruga-shi Birth of Nosaka. A place name with a record since the Kamakura period. Iwate-ken tells Morioka-shi that he moved from Fukui-ken to Aomori-ken Kamikita-gun Noheji-machi from 1716 to 1736 (Kyoho year). In Aomori-ken Kamikita-gun Noheji-machi there is a belief that it was called Nosaka and residents around the time of Meiji New surname also.
② Shimane-ken Hamada-shi Birthplace of Yayori Town Nakasaka. A place name with a record since the Edo period. Shimane-ken Kanoashi-gun Tsuwano-chou Shimoda was in the Edo period in the Tsuwano clan of the clan office. Tradition of the same samurai.