Oooka 【大岡】5 The Japanese surnames etymology dictionary.
Kagoshima-ken Ooshima-gun Yoron-chou . "City" was added to the offshore which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima - ken Ooshima - gun Yoron - chou Distributed in Nama . Where she in 沖 there last name. 沖 reference.