Iann is a distinctive boys' name in United States, ranking #4075 in 2008 with 25 recorded births. This places Iann in the top 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 316.7%. In 2008, approximately 1 in every 81,598 boys born was named Iann. FALLING Recent data shows the name is currently falling.