Okajou 【岡丈】1 The Japanese surnames etymology dictionary.
Ibaraki-ken . Ibaraki-ken Inashiki-shi I will tell from Onozon which was in Ono. Ono in the same place is a place name with a record since the Heian period. Ibaraki - ken Hitachioomiya - shi There is also a story that Onnozaku descendant of Ono called. Ono in the same place is a place name with a record since the North / North morning era. 小野崎 reference.