Etymology and distribution of 大空.

Oozora 【大空】^{レベル4
About 1,100}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Chiba-ken . A variant of 鬼沢 .

Oosora 【大空】^{レベル4
About 1,100}  The Japanese surnames etymology dictionary.

Ibaraki-ken . Ibaraki-ken Hokota-shi In Tosu, the role of Fukushima-ken Iwaki-shi (formerly Kikuta-gun) Onizawa village was held in the role of the ninth year from 1051 (6 years of permanent) to 1062 (Kohei 5 years) There was a transmission that he called it. Location unknown. Ken-Ibaraki Mito-Shi Itomi in the town Ibaraki-Ken Mito-Shi near Motoyoshida City: tell and was called from 1201 years in Onizawa recess (formerly Yoshida Township) in 1204 years (TateHitoshi year). Ibaraki-ken Hokota-shi I tell you that it is a grass-roots in a lodge . Ibaraki-ken Hokota-shi In Shakuda there is a tradition with the descendant of the vassal that was indigenous in the eastward of Yamato Takelu, which is the Yayoi era, from the Imperial period.

* Ibaraki-ken Higashiibaraki-gun Ooarai-machi Originated from Onizawa of Daizuki Town. Period, location unknown. There is Onikubo in the small coin there.