In the entire world, Mersa (Mersa 
) is quite a rare predominantly female, but very seldom boy's first name. The first name Mersa is characteristic of Bosnia and Herzegovina, where it is quite a rare feminine name, Ethiopia, where it is quite a rare predominantly female, but very seldom masculine name, and Philippines, where it is a rare female name. Much less frequently, Mersa is the last name as well as the forename.