There exists a record saying that seven houses along Nagara-gawa River were engaged in ukai during the era of Engi, that FUJIWARA no Toshihito made these seven houses offer sweetfishes to the Emperor, that the Emperor was pleased and gave Shichigo Village in Katagata County as the place for planting pine trees for kagaribi, and that this village came to be called Ukaishihigo.
延喜年間に、長良川河畔に鵜飼7戸の記録があり、藤原利仁は、その7戸の鵜飼に鮎を献上させ、天皇の気に入り方県郡七郷の地を鵜飼に要する篝松の料としてたまわり、鵜飼七郷と呼んだ。