Kubosaki 【久保崎】3 The Japanese surnames etymology dictionary.
Ooita-ken , Saga-ken , Hokkaidou . Distribution including Yukimatsu as well. It is recorded as the head of Uri Sea which tells that it was submerged by Beppu Bay off Ooita-ken Ooita-shi due to the earthquake of 1596 (Bunruku 5 years). Uu Sei island is estimated to be Ooita-ken Ooita-shi Teruakijima near the town of Toshi . In Hokkaidou Otaru-shi tell him that he emigrated from Daishoji in Ishikawa-ken Kaga-shi in 1896.