Etymology and distribution of 鶯生.

Oushou 【鶯生】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to , Kanagawa-ken , Saitama-ken . There is 奥住 surname. Toukyou-to Itabashi-ku Distributed in Akatsuka. 奥住 Okuzumi reference.