Cognomen Maragda (Maragda 
) , in the world, is a very rare last name. The cognomen Maragda is characteristic of Spain, where it is a very rare surname, and Mexico, where it is an extremely rare surname. More frequently, Maragda is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maragda | Mexico, Brazil, Spain, Peru |