Riann is a distinctive girls' name in United States, ranking #6525 in 2012 with 20 recorded births. The name reached its all-time peak in 2005 with 30 births ranking #4558. Since 1996, the popularity has increased by 66.7%. In 2012, approximately 1 in every 88,037 girls born was named Riann. FALLING Recent data shows the name is currently falling.