Iann is a distinctive boys' name in United States, ranking #4868 in 2004 with 17 recorded births. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 183.3%. In 2004, approximately 1 in every 116,753 boys born was named Iann. FALLING Recent data shows the name is currently falling.