Cecilio is a distinctive boys' name in United States, ranking #5283 in 2020 with 17 recorded births. The name reached its all-time peak in 1998 with 39 births ranking #2280. Since 1996, the popularity has decreased by 37.0%. In 2020, approximately 1 in every 101,474 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.