Lettie is a distinctive girls' name in United States, ranking #12498 in 2005 with 8 recorded births. The name reached its all-time peak in 2025 with 358 births ranking #757. Since 1996, the popularity has decreased by 11.1%. In 2005, approximately 1 in every 230,962 girls born was named Lettie. RISING Recent data shows the name is currently rising.