Etymology and distribution of 母屋.

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

Miyazaki-ken Miyakonojou-shi , Kagoshima-ken · Tokushima-ken . There is 梶山 surname. Miyazaki - ken Kitamorokata - gun Mimata - chou Nagata (formerly Kajiyama (Kazuyama)) is a place name with a record since the warring States era. The place name was also written as "Kajiyama" and there was pronunciation of Kachiyama.

※ Ibaraki-ken Mito-shi Sannomaru was in the Edo era in the Mito samurai of the clan government.