Blen is a distinctive girls' name in United States, ranking #10238 in 2007 with 11 recorded births. This places Blen in the top 50% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 27 births ranking #5004. In 2007, approximately 1 in every 174,768 girls born was named Blen. FALLING Recent data shows the name is currently falling.