Sugawara 【管原】4 The Japanese surnames etymology dictionary.
① Shiga-ken Kouka-shi Birthplace of Koka Machi Falls. Place name with a record with "Taki" in Muromachi era. Ibaraki-ken Ishioka-shi Katano was in the Azuchi-Momoyama period and the Edo era in the lord Katano of the clan government office.
④ Topography . Iwate - ken Hachimantai - shi In Nishine Terada, tell from the waterfall and the river. Ishikawa-ken Komatsu-shi Takigahara-cho was a place name with a record since the Edo period. I will tell you that Meiji New Last name in the same place.