Rena is a distinctive girls' name in United States, ranking #1613 in 1997 with 99 recorded births. The name reached its all-time peak in 1996 with 135 births ranking #1286. Since 1996, the popularity has decreased by 26.7%. In 1997, approximately 1 in every 17,582 girls born was named Rena. FALLING Recent data shows the name is currently falling.