Cecilio is a distinctive boys' name in United States, ranking #5831 in 2006 with 14 recorded births. This places Cecilio in the top 42% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 39 births ranking #2280. Since 1996, the popularity has decreased by 48.1%. In 2006, approximately 1 in every 146,794 boys born was named Cecilio. FALLING Recent data shows the name is currently falling.