Suyama 【須山】5 The Japanese surnames etymology dictionary.
① Topography . Iwate-ken Iwate-gun Kuzumaki-machi In Tabe Touzawa, tell from the land opposite the rice fields. Ibaraki-ken Kamisu-shi It was in the Edo period in Hasaki. She said that she was engaged in agriculture and fishery on the grounds. It was in the Edo period in Kagoshima-ken Kagoshima-shi .