Etymology and distribution of 太院.

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

Yamagata-ken Sakata-shi , Kanagawa-ken , Chiba-ken . 土岐 surname available. Yamagata-ken Akumi-gun Yuza-machi It was in the Tokyo era as the shrine of the Kumano shrine in Komatsu. 土岐 Toki reference.