Etymology and distribution of 矣.

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

Kyouto-fu , Hyougo-ken , Chiba-ken . Terrain . From the pond and the fence. Kyouto-fu Kyouto-shi , Niigata-ken Jouetsu-shi Honjo-machi was in the Edo period in the Echigo Takada Samurai of the Clan Office.