Deleon is a distinctive boys' name in United States, ranking #8937 in 2015 with 8 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #3583. Since 1996, the popularity has decreased by 38.5%. In 2015, approximately 1 in every 239,532 boys born was named Deleon. FALLING Recent data shows the name is currently falling.