Iann is a distinctive boys' name in United States, ranking #6506 in 2000 with 10 recorded births. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 66.7%. In 2000, approximately 1 in every 196,393 boys born was named Iann. FALLING Recent data shows the name is currently falling.