Etymology and distribution of 猪龍.

Iryou 【猪龍】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Toukyou-to , Niigata-ken Sado-shi , Kumamoto-ken . A variant of the 氏家 . Fukushima-ken Souma-shi Nakamura was in the Edo period in the Samma Nakamura Samurai of the Clan Office. The same clan wrote as "family house". Niigata-ken Sado-shi It was in Edo period in Hanagomo Town, Niigata-ken in Azuchi Momoyama period. 氏家 Ujiie reference.