Usano 【宇佐野】2 The Japanese surnames etymology dictionary.
② Ainu system . Originated from Ninosawa (formerly Ushun Nai) of Dakuchinoe, Sakhalin Province, Russian Federation (formerly known as Kurabaya Oitama-gun Chitose Village).
※ Yamaguchi-ken Ube-shi Onojima Uchuuchi, Chu Uchiuchi, Shimo Inoue's origin. A place name with a record since the Warring States Period. Yamaguchi-ken Shimonoseki-shi Toyoda-machi Uchiuchi is a stopover. In the Warring States Period, the name of the place with a record in the notation of "Una." Tell the place name from Mr. Utsui's name.