Etymology and distribution of 蟬平.

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

Niigata-ken , Saitama-ken . Niigata-ken Murakami-shi is based on the inquiry. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. There is an example of noting "middle" of "Nakahara's abbreviation" as "faith". 中原 Nakahara reference.