Rilea is a distinctive girls' name in United States, ranking #12449 in 2007 with 9 recorded births. This places Rilea in the bottom 40% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 9 births ranking #10906. In 2007, approximately 1 in every 213,605 girls born was named Rilea. RISING Recent data shows the name is currently rising.