Letty is a distinctive girls' name in United States, ranking #14658 in 2002 with 6 recorded births. The name reached its all-time peak in 2016 with 163 births ranking #1423. Since 1996, the popularity has decreased by 33.3%. In 2002, approximately 1 in every 299,470 girls born was named Letty. STABLE Recent data shows the name is currently stable.