Cecilio is a distinctive boys' name in United States, ranking #2354 in 1997 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 1997, approximately 1 in every 53,860 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.