Etymology and distribution of カラスコ.

Karasuko* 【カラスコ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Shizuoka-ken , Yamaguchi-ken , Fukuoka-ken . Summary . A variant of the 日下 . Okayama-ken Okayama-shi Kita Ward Marunouchi was in the Edo period in the Clan Okayama of the Clan office. 日下 Kusaka reference.