Deon is a distinctive girls' name in United States, ranking #10449 in 2002 with 9 recorded births. This places Deon in the bottom 42% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 16 births ranking #5951. In 2002, approximately 1 in every 199,647 girls born was named Deon. FALLING Recent data shows the name is currently falling.