Ishidou 【石堂】5 The Japanese surnames etymology dictionary.
Kouchi-ken Kouchi-shi , Toukyou-to . Terrain . From the island. "Hisa" is a favorable character. It was in the Edo period in Kouchi-ken Kouchi-shi . Kouchi-ken Kounan-shi Distribution in Kishimori - cho Kishimoto. The land faces the Pacific Ocean. Nagasaki-ken Nagasaki-shi Distributed in Doi-machi town. The land faces the East China Sea.