Kobari Yorihiro served as a bushō during the Sengoku and Azuchi-Momoyama periods.  He was a retainer of the Shirakawa-Yūki clan of southern Mutsu Province.

Yorihiro was born as the illegitimate son of Yūki Harutsuna.  He also may have been the younger brother (of a different mother) of Komine Yoshichika.

Initially, he served as the lord of Namezu Castle, but later constructed a watchtower and, in 1573, moved his residence from Namezu.

Yorihiro died in 1588 and was succeeded by his son, Kobari Masahiro but, in 1590, the family, along with the family of their lord, fell into ruin as a result of the Oushū Retribution conducted by the Toyotomi administration.

Masayori’s descendants reverted to farming and served as shōya, or village headmen, of the village of Nakahata in the Shirakawa District of Mutsu.