Caelen is a distinctive boys' name in United States, ranking #5069 in 2003 with 15 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #2998. Since 1996, the popularity has increased by 15.4%. In 2003, approximately 1 in every 131,685 boys born was named Caelen. FALLING Recent data shows the name is currently falling.