Etymology and distribution of 入倉.

Irikura 【入倉】^{レベル5
About 3,100}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Hiroshima-ken . Terrain . 上向井 variant of. Fukuoka-ken Kitakyuushuu-shi Distribution in the Shirano River, Moji-ku. Hiroshima-ken Etajima-shi Okimi-cho Oka Daioh has distribution. There is a 下向 surname in the same place. 下向 Shimomukai reference.