Erasto is a distinctive boys' name in United States, ranking #7836 in 1998 with 7 recorded births. This places Erasto in the bottom 31% 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 1998, approximately 1 in every 273,045 boys born was named Erasto. FALLING Recent data shows the name is currently falling.