Etymology and distribution of 小俟.

Komata 【小俟】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to , Fukushima-ken . Originated in Fukushima-ken Futaba County (formerly Naba gun). A place name with a record since the Heian period. The place name was also written as "Shiromenna" and "Shiiba" and there were also pronunciations of Shimeha and Shiha.