Togawa 【戸川】5 The Japanese surnames etymology dictionary.
① In Chiba-ken Narita-shi Kitagori tells that descendants of Mr. Chiba who was the castle owner of Matsuko (aka Osuga castle) which was in Chiba-ken Narita-shi Matsuko called. Mr. Chiba's real name is flat. 千葉 reference. 平 reference. Chiba-ken Katori-gun Tako-machi It was in the Sengoku period in Namsama. Hiroshima-ken Hiroshima-shi Tell her that she came from Yamanashi-ken in accordance with Mr. Kumagai in Okabe-cho, Kabe-cho Ward. Estimated in the Kamakura period. In Shimane-ken west (formerly Iwami-kuni), I tell Mr. Ono's descendant. Ono has "Wild". 小野 reference.
② Topography . Kagoshima-ken Izumi-shi From Takahira Hanabi of the gate division system in Edo period in Takaono-cho Etauchi. The name of the house is from the field. In Kagoshima-ken there are examples where Hira means "cliff".