Etymology and distribution of 豐納.

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

Tochigi-ken Shioya-gun Takanezawa-machi , Fukuoka-ken , Toukyou-to .

① Topography . 桧原 's variant. Fukushima-ken Yama-gun Kitashiobara-mura Hibara (hibara) is a place name with a record since the warring days.

② Korean type . Originated in Changwon City, Gyeongsangnam Province, Korea. From "Choshu" (aka Hiyama) "Hinoki" and Changwon's "Hara". There is a record of naturalization on November 17, 1960 at Gifu-ken Hida-shi (formerly: Yoshiro-gun Kamioka Town). The real name is a hole. 孔 Kou reference.