Etymology and distribution of 木砂.

Kisuna 【木砂】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Kagawa-ken , Oosaka-fu , Akita-ken . 久米 surname yes. Okayama - ken Tsuyama - shi Yamashita, Yamagata - ken Sakata - shi Shinya - gashi was in the Edo period in the Sakai Matsuyama clan of the clan government. 久米 Kume reference.