Etymology and distribution of 広海渡.

Hirokaito 【広海渡】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to · Oosaka-fu , Gifu-ken Takayama-shi .

① Convention . Momoi stands for. Move from Mie-ken Matsusaka-shi (formerly Iidaka-gun) to Shimane-ken eastern part (formerly Izumo). Shimane-ken Matsue-shi The Tate -emon was in the Edo era in the Songji Samurai of the Clan office. 桃井 Momoi reference.

② Gifu-ken Takayama-shi Birthplace originated from the lower part of Kaiba - cho Kuramichi. There was a record in the same place in 1847 (Hiroshi 4 years).

③ things . From peach. First letter surname of Amagi archipelago of Kagoshima-ken .