Ueiwa 【上岩】3 The Japanese surnames etymology dictionary.
① 臼井 surname.
② Oosaka-fu Habikino-shi Originating from Usui. A place name with a record since the Muromachi period. Yamaguchi-ken Shimonoseki-shi Choshu Miyazaki Town was in Edo period in the Chosun Son of the Clan office. Good neighbor . Hyougo-ken Tatsuno-shi There are distribution in Shingu-machi Senso .