Collen is a distinctive girls' name in United States, ranking #15559 in 2000 with 5 recorded births. The name reached its all-time peak in 1996 with 8 births ranking #9762. Since 1996, the popularity has decreased by 37.5%. In 2000, approximately 1 in every 363,194 girls born was named Collen. FALLING Recent data shows the name is currently falling.