Deleon is a distinctive boys' name in United States, ranking #3583 in 2002 with 24 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #3583. Since 1996, the popularity has increased by 84.6%. In 2002, approximately 1 in every 80,895 boys born was named Deleon. FALLING Recent data shows the name is currently falling.