Erasto is a distinctive boys' name in United States, ranking #9726 in 1997 with 5 recorded births. This places Erasto in the bottom 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 8 births ranking #8525. In 1997, approximately 1 in every 377,018 boys born was named Erasto. FALLING Recent data shows the name is currently falling.