Rion is a distinctive girls' name in United States, ranking #13433 in 2009 with 8 recorded births. The name reached its all-time peak in 2014 with 29 births ranking #4875. Since 1996, the popularity has increased by 14.3%. In 2009, approximately 1 in every 229,609 girls born was named Rion. FALLING Recent data shows the name is currently falling.