Letty is a distinctive girls' name in United States, ranking #4257 in 2012 with 35 recorded births. This places Letty in the top 22% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 163 births ranking #1423. Since 1996, the popularity has increased by 288.9%. In 2012, approximately 1 in every 50,307 girls born was named Letty. STABLE Recent data shows the name is currently stable.