Etymology and distribution of 幸才.

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

Okayama-ken , Hiroshima-ken , Oosaka-fu .

① Men 's name has constant light. Okayama-ken Ibara-shi It was in Edo era in Nishihara Town.

② Yamaguchi-ken Iwakuni-shi Miwa Town birthplace from the constant light of the shrine in Shibuka. A place name with a record since the Warring States Period.