Rena is a distinctive girls' name in United States, ranking #1443 in 2001 with 131 recorded births. This places Rena in the top 8% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 135 births ranking #1286. In 2001, approximately 1 in every 13,745 girls born was named Rena. FALLING Recent data shows the name is currently falling.