Keenan is a distinctive boys' name in United States, ranking #584 in 2004 with 382 recorded births. The name reached its all-time peak in 1997 with 717 births ranking #354. Since 1996, the popularity has decreased by 35.8%. In 2004, approximately 1 in every 5,196 boys born was named Keenan. FALLING Recent data shows the name is currently falling.