Ernesto is a moderately popular boys' name in United States, ranking #335 in 2003 with 854 recorded births. The name reached its all-time peak in 2003 with 854 births ranking #335. Since 1996, the popularity has increased by 10.3%. In 2003, approximately 1 in every 2,313 boys born was named Ernesto. STABLE Recent data shows the name is currently stable.