Last name Gerson Dario (Gerson Dario 
) , all over the world, is an extremely rare surname. The cognomen Gerson Dario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Gerson Dario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerson Dario | Peru, Ecuador, Chile, Costa Rica |