Riann is a distinctive girls' name in United States, ranking #5233 in 2002 with 23 recorded births. The name reached its all-time peak in 2005 with 30 births ranking #4558. Since 1996, the popularity has increased by 91.7%. In 2002, approximately 1 in every 78,123 girls born was named Riann. FALLING Recent data shows the name is currently falling.