Etymology and distribution of 小海川.

Omigawa 【小海川】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Kagoshima-ken Ooshima-gun Setouchi-chou · Oosaka-fu · Nara-ken . Terrain . Kagoshima-ken 's Amami archipelago adds 'Island' to Kashi, the surname of the family. Estimated at the time of returning to Japan in 1953. 佳 Yoshi reference.