Cecilio is a distinctive boys' name in United States, ranking #5286 in 2010 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 2010, approximately 1 in every 112,848 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.