R.J.
About half of my husband's family lives in S. America -Chile, Argentina, Brazil, but brazil isn't spanish- (the other half in Italy). Here are some of their names (yay facebook). They're mostly 5 generations out from Italy, but some may have an Italian bent to them.
Alejandro, Enrique, Marcenaro, Damaso, Daniel, Daniele, Diario, Diego, Domingo, Enrico, Felipe, Franco, Gabriel, Eduardo, Jaime, Andres, Esteban, Juan, Leonardo, Luciano, Paolo, Roberto, Rodrigo, Sergio, Simon, Tomas, Vicente, Cristian, Danilo, Fredrico, Fernando, Ignacio, Marcos.