Letty is a distinctive girls' name in United States, ranking #8985 in 1998 with 10 recorded births. The name reached its all-time peak in 2016 with 163 births ranking #1423. Since 1996, the popularity has increased by 11.1%. In 1998, approximately 1 in every 176,689 girls born was named Letty. STABLE Recent data shows the name is currently stable.