Rhilyn is a distinctive girls' name in United States, ranking #12766 in 2015 with 8 recorded births. This places Rhilyn in the bottom 33% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 13 births ranking #9016. In 2015, approximately 1 in every 223,082 girls born was named Rhilyn. FALLING Recent data shows the name is currently falling.