The Japanese surnames etymology dictionary.
Hokkaidou , Saitama-ken Chichibu-gun Minano-machi . A variant of Ogiwara (Ogihara). Saitama-ken Chichibu-gun Minano-machi In Misawa tell her that it was renamed at the Meiji New surname from Ogiwara surname. Toyama-ken Shimoniikawa-gun Ogihara in Nyuuzen-machi . Toyama-ken Toyama-shi Honmaru was in the Edo period in the clan of Toyama of the Clan office. 荻原 reference.