Etymology and distribution of 豊座.

Toyokura 【豊座】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ishikawa-ken Kaga-shi · Kanagawa-ken . "Sun ring (Nichirin)" is another name of the sun. Buddha of the founder of Buddhism tells the day race from the sun. Ishikawa-ken Kaga-shi Meiji New surname by monk of Nishinji temple of Jodo Shin Buddhist in Yoshizaki Town. It tells that the temple was founded by Mr. Nikko who was in the same place from 1469 to 1487 (year of civilization).