Keymon is a distinctive boys' name in United States, ranking #12366 in 2004 with 5 recorded births. The name reached its all-time peak in 2011 with 17 births ranking #5328. Since 1996, the popularity has decreased by 37.5%. In 2004, approximately 1 in every 396,960 boys born was named Keymon. FALLING Recent data shows the name is currently falling.