Cornelio is a distinctive boys' name in United States, ranking #5719 in 2011 with 15 recorded births. The name reached its all-time peak in 2004 with 25 births ranking #3654. Since 1996, the popularity has decreased by 25.0%. In 2011, approximately 1 in every 126,599 boys born was named Cornelio. RISING Recent data shows the name is currently rising.