Rion is a distinctive girls' name in United States, ranking #8435 in 2007 with 15 recorded births. The name reached its all-time peak in 2014 with 29 births ranking #4875. Since 1996, the popularity has increased by 114.3%. In 2007, approximately 1 in every 128,163 girls born was named Rion. FALLING Recent data shows the name is currently falling.