Etymology and distribution of 岩尻.

Iwajiri 【岩尻】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Shiga-ken , Aichi-ken Nagoya-shi . There is a record in Fukuoka-ken south (old: Chikugo country) in 1305 (3 years of Ka Yuan). In Shiga-ken Maibara-shi rice, tell her that she came back from Mie-ken Chubu (formerly Ise Country) and came back to warring States era.