Globally, โอคุมะ (โอคุมะ , Ohkuma ) is an extremely rare unknown gender first name. Much more frequently, โอคุมะ is the last name as well as the forename.
Okuma
วิภา
, Ohkuma 
) is an extremely rare unknown gender first name. Much more frequently, โอคุมะ is the last name as well as the forename.