Iigou 【飯郷】3 The Japanese surnames etymology dictionary.
② Iwate-ken Oofunato-shi Origin of Inokawa Town. A place name with a record since the Edo period. There was Inokawa castle in the same era in the warring States era. Iwate-ken Morioka-shi Uchimaru was in the Edo period in the clan san Morioka of the clan government.