Tamaoka 【玉岡】5 The Japanese surnames etymology dictionary.
Niigata-ken , Hokkaidou , Toukyou-to .
① Birth of Gunma-ken Takasaki-shi Kamiyoshioka Town, Middle Toyoka Town, Shimoiokaoka Town. A place name with a record since the Kamakura period. Tochigi-ken Sakura-shi It was in the Edo era to Blacksie Kazawa .
② Originated from Okayama-ken Tamano-shi Yahama - cho Hachihama (formerly Toyooka-soo). A place name with a record in the Kamakura period.
③ Topography . "Oka" was added to Yutaka which is the surname of Kagoshima-ken 's Amami archipelago. Estimated at the time of returning to Japan in 1953. 豊 reference.
④ Ainu system . Hokkaidou Kushiroshi-chou Shimanaka Ryohachi has been renamed Gompa of Shiranuka-chou .
※ Han Chinese system . There was Toyooka's family name in the Heian era in Nara-ken .
※ Goguryeo system . It was in Heian period in Nagano-ken .