Keenan is a moderately popular boys' name in United States, ranking #457 in 1998 with 492 recorded births. This places Keenan in the top 4% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1997 with 717 births ranking #354. Since 1996, the popularity has decreased by 17.3%. In 1998, approximately 1 in every 3,885 boys born was named Keenan. FALLING Recent data shows the name is currently falling.