Deleon is a distinctive boys' name in United States, ranking #3922 in 1997 with 17 recorded births. This places Deleon in the top 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 24 births ranking #3583. Since 1996, the popularity has increased by 30.8%. In 1997, approximately 1 in every 110,888 boys born was named Deleon. FALLING Recent data shows the name is currently falling.