Etymology and distribution of 沖宮.

Okimiya 【沖宮】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Kouchi-ken Kouchi-shi . Aichi-ken Ichinomiya-shi Higashigakanoya · Gifu-ken Hashima-shi Born of Kamonako Kaganoi. A place name with a record since the Azuchi-Momoyama period. In the same place during the Warring States Period, the surname was written as "Kaga well." 加賀井 Kagai reference. In Kouchi-ken Kouchi-shi tells that Mr. Kirino of descendant of Mr. Kagayano called at Meiji New surname. 桐間 Kirima reference.