Hiramori 【平盛】3 The Japanese surnames etymology dictionary.
Toyama-ken Takaoka-shi · Oosaka-fu . Toyama-ken Takaoka-shi Originated from Kamiko Takashi of common name of Katahara-machi. Toyama-ken Takaoka-shi Meiji New surname by monk of Ohinomonin in Shingon sect in Kizu. In the same temple, the former is a temple of the Shimayado and tells that it is according to the place name which was located in Toyama-ken Takaoka-shi Katahara-cho of the location of the Edo period.