Keysean is a distinctive boys' name in United States, ranking #4668 in 1999 with 15 recorded births. The name reached its all-time peak in 2002 with 21 births ranking #3983. Since 1996, the popularity has increased by 200.0%. In 1999, approximately 1 in every 128,006 boys born was named Keysean. FALLING Recent data shows the name is currently falling.