Rayni is a distinctive girls' name in United States, ranking #13165 in 2001 with 7 recorded births. The name reached its all-time peak in 1997 with 10 births ranking #8865. Since 1996, the popularity has decreased by 12.5%. In 2001, approximately 1 in every 257,223 girls born was named Rayni. FALLING Recent data shows the name is currently falling.