Lethia is a distinctive girls' name in United States, ranking #15258 in 2004 with 6 recorded births. This places Lethia in the bottom 19% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 6 births ranking #15258. In 2004, approximately 1 in every 306,020 girls born was named Lethia. STABLE Recent data shows the name is currently stable.