Keysean is a distinctive boys' name in United States, ranking #3983 in 2002 with 21 recorded births. The name reached its all-time peak in 2002 with 21 births ranking #3983. Since 1996, the popularity has increased by 320.0%. In 2002, approximately 1 in every 92,451 boys born was named Keysean. FALLING Recent data shows the name is currently falling.