Etymology and distribution of 黒居.

Kuroi 【黒居】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Niigata-ken Jouetsu-shi , Nagano-ken . Niigata-ken Jouetsu-shi It was in the Edo period in Nishiyoshio. In the same place, I told that I changed my name from Shimoyama surname to forest family name and renamed it further. Estimated early in the Edo period. 下山 Shimoyama reference. 林 Hayashi reference. Nagano-ken Shiojiri-shi Daimon tells that he was engaged in agriculture. Estimated in the Edo period.