Fukatsu 【深津】5 The Japanese surnames etymology dictionary.
① Topography . A variant of 宮窪 . Chiba-ken Ichikawa-shi Miyakubo was a place name with a record in the notation of "Miyako" during the North-South morning era. Yamanashi-ken Nirasaki-shi Hosaka-cho Mimi Kubo is a place name with a record in the notation of "Miyakubo" during the Warring States Period. Miyazaki-ken Ebino-shi From the Miyakubo gate of the gate division system that was in the Edo era in the Sugiwater Flow.