Etymology and distribution of 楠屋.

Kusuya 【楠屋】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Nagano-ken , Gunma-ken , Toukyou-to . Summary . Synthesis of Konomi, Suda and Tada. Nagano-ken Minamisaku-gun Sakuho-machi Folklore in Okinawa. In the same place tells Mr. Tada called the first name last name in the Kamakura period. 小名 Ona reference. 須田 Suda reference. 多田 Tada reference. There is also a tale of Oda and Suda's synthesis separately here. 小田 Oda reference.