Etymology and distribution of 長市.

Nagaichi 【長市】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Hiroshima-ken Fukuyama-shi . There is a man's name including the plan name, "Sheng". Kumamoto-ken Yatsushiro-shi Izumicho Kujyuko tells that he is a descendant of Heikei, a warrior of the Heian period. Heikei is the grandson of Heiwa Mimi, who is a warrior of the Heian period. There is also a story that Ogata surname was on the same place. 平 Taira reference. 緒方 Ogata reference.