Letty is a distinctive girls' name in England & Wales, ranking #2313 in 2013 with 11 recorded births. This places Letty in the top 31% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 26 births ranking #1296. In 2013, approximately 1 in every 28,041 girls born was named Letty. FALLING Recent data shows the name is currently falling.