Iann is a distinctive boys' name in United States, ranking #6185 in 2001 with 11 recorded births. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 83.3%. In 2001, approximately 1 in every 176,621 boys born was named Iann. FALLING Recent data shows the name is currently falling.