Cleon is a distinctive boys' name in United States, ranking #5006 in 1997 with 12 recorded births. The name reached its all-time peak in 2002 with 14 births ranking #5179. Since 1996, the popularity has increased by 71.4%. In 1997, approximately 1 in every 157,091 boys born was named Cleon. FALLING Recent data shows the name is currently falling.