Etymology and distribution of 清永.

Kiyonaga 【清永】^{レベル5
About 2,900}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Toukyou-to , Chiba-ken .

① Birth of a small gold medal in Matsudo City, 1,000 districts. Place name with a record in "Money" notation in the Muromachi period.

② Creation . Add "small" to gold. In Hyougo - ken Koube - shi there was a case that the surname was changed from 1952 to 1959 on the ground that gold surname is confused with foreigners. 金 Kon reference.