Etymology and distribution of 戸原.

Tohara 【戸原】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Gunma-ken , Kanagawa-ken .

① Birth of Gunma-ken Maebashi-shi Fujimi-machi (Hikida). A place name with a record since the Warring States Period.

② Tochigi-ken Kanuma-shi Originated from Hida (Hikida). A place name with a record since the Warring States Period. It was in the Sengoku period in the same place.

③ Kagawa-ken Higashikagawa-shi Originating from Deoka . A place name with a record since the Heian period.

④ Topography . From Hiroshima's low land estimate. Hiroshima-ken Tell Kiyoshi in Meiji New Year 's name in Yoshiura. Tottori-ken Touhaku-gun Hokuei-chou tell him that he was engaged in agriculture in Jiangbei. Estimated in the Edo period.