Isen is a distinctive boys' name in United States, ranking #12798 in 2014 with 5 recorded births. This places Isen in the bottom 9% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 7 births ranking #10028. In 2014, approximately 1 in every 384,088 boys born was named Isen. STABLE Recent data shows the name is currently stable.