Etymology and distribution of 住本.

Sumimoto 【住本】^{レベル5
About 3,500}  The Japanese surnames etymology dictionary.

Iwate-ken Nishiiwai-gun Hiraizumi-chou , Iwate-ken Ichinoseki-shi . Iwate-ken Nishiiwai-gun Hiraizumi-chou was in the Edo period. It says that there was also a time when Murakami surname was called in the latter part of the Edo period in the same place. 村上 Murakami reference. Miyagi-ken Sendai-shi Aoba-ku Kawauchi was in the Edo era in the Sendai Samurai of the Clan office.