Kuza 【久佐】3 The Japanese surnames etymology dictionary.
Hokkaidou , Saitama-ken . Originated from Shiga-ken (formerly Omi kuni (aka: Jiangzhou)). In Hokkaidou Rumoi-shi tell him that he came from Aomori-ken 's Shimokita Peninsula via Hokkaidou Rumoishi-chou Horonobe-chou . Estimated from tradition around 1900. Omi is a place name with a record since the Kofun Period.