Iian is a distinctive boys' name in United States, ranking #12787 in 2014 with 5 recorded births. This places Iian 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 2008 with 6 births ranking #11594. In 2014, approximately 1 in every 384,088 boys born was named Iian. FALLING Recent data shows the name is currently falling.