Etymology and distribution of 双原.

Souhara 【双原】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Hokkaidou , Miyagi-ken , Chiba-ken . Fukushima-ken Date-shi Originated from Hodara - machi near Toda (old: 48th school). Place name unknown record era. Miyagi-ken Igu-gun Marumori-machi A place of comparison of tradition in Ouchi Ueda - bashi. The place name is estimated from hanging the spirit between this world and the Pure Land over forty-nine days with 'Seirei (Tsurushiti)' by estimating that it multiplies by seven and seven.

※ Mie-ken Iga-shi originated in the city of Shiju. A place name with a record since the Edo period. The place name tells that the row base of the monk of the Nara era built the 49th house and was called "the 49th house".

Soubara 【双原】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Kumamoto-ken , Toukyou-to , Hokkaidou . Fukuoka-ken Kitakyuushuu-shi Ogura - Kitami Ward Castle interior was in the Edo period in the Kokura clan of the clan government. Yamanashi-ken Uenohara-shi Tsurushima is a place name with a record since the Edo period. Toukyou-to Hachiouji-shi It was in Edo period in Inugame Town.