Iann is a distinctive boys' name in United States, ranking #4037 in 2016 with 26 recorded births. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 333.3%. In 2016, approximately 1 in every 72,970 boys born was named Iann. FALLING Recent data shows the name is currently falling.