Etymology and distribution of 久美.

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

Ooita-ken Kitsuki-shi , Kanagawa-ken , Fukuoka-ken . A variant of Furahara (Kohara). Ooita-ken Kitsuki-shi Kamogawa is based. Tell him that he was renamed during the Meiji New Last Name in the same place. 古原 Kohara reference.