Cecilio is a distinctive boys' name in United States, ranking #2692 in 2001 with 35 recorded births. The name reached its all-time peak in 1998 with 39 births ranking #2280. Since 1996, the popularity has increased by 29.6%. In 2001, approximately 1 in every 55,509 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.