Igakura 【猪鹿倉】3 The Japanese surnames etymology dictionary.
① Shimane-ken Matsue-shi Originated in Higashima-cho, Saiga-cho. A place name with a record since the Nara period. The place name also pronounced Ikoma. Shimane-ken Matsue-shi Distributed in Takiya in Higashiizumo-cho.
② Wakayama-ken Nishimuro-gun Kamitonda-chou Origin of raw horses . A place name with a record since the Kamakura period. Wakayama-ken Arida-shi Tradition in Itsuki Town Central Number . In the same area Iikoma tells that the original was pronounced Ikuma. Ikoma at Wakayama-ken .