Etymology and distribution of 井宗.

Isou 【井宗】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Shimane-ken , Niigata-ken .

① Shimane-ken Yasugi-shi Originated from Izuka, a small figure in Yada-machi.

② Topography . From the place to draw water and the mound. Niigata-ken Tsubame-shi Yoshida Nishiota is headquartered. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period.