Surname Gemecia (Gemecia 
) , across the world, is an extremely rare cognomen. The family name Gemecia is habitual in Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname. Much more frequently, Gemecia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gemecia | Mexico, United States, Brazil, Democratic Republic of the Congo |