Iann is a distinctive boys' name in United States, ranking #8265 in 2006 with 9 recorded births. The name reached its all-time peak in 2010 with 33 births ranking #3339. Since 1996, the popularity has increased by 50.0%. In 2006, approximately 1 in every 228,347 boys born was named Iann. FALLING Recent data shows the name is currently falling.