Around the world, Marcos Gaston (Marcos Gaston 
) is a very rare boy's first name. The first name Marcos Gaston is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a rare masculine name, Chile, and Argentina, where it is a very rare masculine name. Very seldom, Marcos Gaston is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marcos Gaston | Argentina, Ecuador, Spain, Chile, Uruguay |