Etymology and distribution of 土弘.

Tsuchihiro 【土弘】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Chiba-ken , Kagoshima-ken , Toukyou-to .

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 Chiba reference. 平 Taira 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 Ono 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".