Etymology and distribution of 操原.

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

Ishikawa-ken Komatsu-shi , Kyouto-fu , Fukui-ken . Creation . Fukui-ken Nyuu-gun Echizen-chou In Tochigawa, Ishikawa-ken Kanazawa-shi Marunouchi tells that the descendant of Mr. Maeda, who was the lord of Kaga in the Clan County Office, added "Small". Estimated early in the Edo period. 前田 Maeda reference.

※ Saitama-ken Fukaya-shi Originated in Ko Maeda (Omaheda). In place of the warring States, the name of the place with the notation of "Maeda" recorded.