Riann is a distinctive girls' name in United States, ranking #6737 in 2000 with 16 recorded births. The name reached its all-time peak in 2005 with 30 births ranking #4558. Since 1996, the popularity has increased by 33.3%. In 2000, approximately 1 in every 113,498 girls born was named Riann. FALLING Recent data shows the name is currently falling.