Etymology and distribution of 寳光井.

Houkoui 【寳光井】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Fukuoka-ken .

Originated from Okayama-ken Kasaoka-shi . In the Asuka period called place name "Kasa (Casa)". Tell him that it is the descendant of Kasumi Kunitomo (Casa Nomi Nomi Yatsuko) who governed the area near the end of the Yayoi era and the early Kofun period.

② Abstract . Abbreviation for Kinugasa. Kumamoto-ken tells that in 1124 (the first year of Tenshi) it became the imperial examiner of the Gion festival in June and gave a shrine of the costume from Emperor Takemori, the Emperor of the Heian period, to abbreviate Kinugasa surname, then abbreviated Kasa surname. 衣笠 Kinugasa reference.