Throughout the world, Ейда (Eida 
, Eyda 
, Ejda 
) is quite a rare dominantly female, but infrequently masculine first name. The forename Ейда is characteristic of Latin America and the Caribbean, particularly Costa Rica, where it is quite a common female name, Panama, and Nicaragua, where it is quite a rare girly name. Measured by absolute frequency, it most frequently occurs in Costa Rica, Pakistan, and Panama. Likewise, Ейда is the last name as well as the forename.