Deleon is a distinctive boys' name in United States, ranking #4466 in 2009 with 22 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #3583. Since 1996, the popularity has increased by 69.2%. In 2009, approximately 1 in every 90,150 boys born was named Deleon. FALLING Recent data shows the name is currently falling.