Etymology and distribution of 榮家.

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

Gunma-ken , Kagoshima-ken , Saitama-ken .

① Gifu-ken Hashima-shi Kuwahara - cho Osu is a place name with a record since the North-South morning era. The place name was also written as "Ozu".

② Kagoshima-ken Kanoya-shi Originated from Ohsu in Oshima town in Otaura Town. There was Osu gate in the same place in the Edo period as a system of division.