Etymology and distribution of 工楽.

Kuraku 【工楽】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Iwate-ken , Nagano-ken , Toukyou-to .

① Topography . From the land where the horse is. Ken-Iwate Kitakami-Shi in the Saraki Iwate-Ken Kitakami-Shi tell and was changing one's family name from Sato last name out of the mouth of the town. Estimated in the Edo period. 佐藤 Satou reference. Nagano-ken Nagano-shi Shinshin Shinmachi Nishihigashi is based. It was in the Edo period in the same place.

② Iwate-ken Toono-shi Originated from Komagome prefecture of Kamigo Toshimoku 's small character. I will tell you that Meiji New Last name in the same place.

※ Toukyou-to Toshima-ku Komagome is a place name with a record since the Sengoku period.