Olen is a distinctive boys' name in United States, ranking #5938 in 1999 with 11 recorded births. This places Olen in the bottom 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 52 births ranking #2461. In 1999, approximately 1 in every 174,553 boys born was named Olen. FALLING Recent data shows the name is currently falling.