Keenen is a distinctive boys' name in United States, ranking #3913 in 1999 with 19 recorded births. The name reached its all-time peak in 1997 with 119 births ranking #1068. Since 1996, the popularity has decreased by 59.6%. In 1999, approximately 1 in every 101,057 boys born was named Keenen. FALLING Recent data shows the name is currently falling.