Keenan is a distinctive boys' name in United States, ranking #557 in 2001 with 377 recorded births. The name reached its all-time peak in 1997 with 717 births ranking #354. Since 1996, the popularity has decreased by 36.6%. In 2001, approximately 1 in every 5,153 boys born was named Keenan. FALLING Recent data shows the name is currently falling.