Rion is a distinctive girls' name in United States, ranking #18571 in 2015 with 5 recorded births. The name reached its all-time peak in 2014 with 29 births ranking #4875. Since 1996, the popularity has decreased by 28.6%. In 2015, approximately 1 in every 356,931 girls born was named Rion. FALLING Recent data shows the name is currently falling.