Etymology and distribution of 清吉.

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

Okayama-ken . Okayama-ken Kume-gun I was in Warring States in Misaki-chou . Okayama-ken Tsuyama-shi In Tobishima it is said that it was described as "stone rice" in the Edo period. 石米 Ishiyone reference.