Keelen is a distinctive boys' name in United States, ranking #8540 in 2019 with 9 recorded births. The name reached its all-time peak in 2003 with 11 births ranking #6511. Since 1996, the popularity has increased by 28.6%. In 2019, approximately 1 in every 199,262 boys born was named Keelen. FALLING Recent data shows the name is currently falling.