Cecilio is a distinctive boys' name in United States, ranking #4498 in 2016 with 22 recorded births. The name reached its all-time peak in 1998 with 39 births ranking #2280. Since 1996, the popularity has decreased by 18.5%. In 2016, approximately 1 in every 86,237 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.