Lettie is a distinctive girls' name in United States, ranking #11138 in 2009 with 10 recorded births. The name reached its all-time peak in 2025 with 358 births ranking #757. Since 1996, the popularity has increased by 11.1%. In 2009, approximately 1 in every 183,687 girls born was named Lettie. RISING Recent data shows the name is currently rising.