Keenan is a moderately popular boys' name in United States, ranking #354 in 1997 with 717 recorded births. This places Keenan in the top 3% 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 increased by 20.5%. In 1997, approximately 1 in every 2,629 boys born was named Keenan. FALLING Recent data shows the name is currently falling.