Keynan is a distinctive boys' name in United States, ranking #6092 in 1998 with 10 recorded births. The name reached its all-time peak in 1997 with 20 births ranking #3532. Since 1996, the popularity has decreased by 16.7%. In 1998, approximately 1 in every 191,132 boys born was named Keynan. FALLING Recent data shows the name is currently falling.