Riann is a distinctive girls' name in United States, ranking #5534 in 1998 with 19 recorded births. The name reached its all-time peak in 2005 with 30 births ranking #4558. Since 1996, the popularity has increased by 58.3%. In 1998, approximately 1 in every 92,994 girls born was named Riann. FALLING Recent data shows the name is currently falling.