Alethia is a distinctive girls' name in United States, ranking #10142 in 2025 with 9 recorded births. The name reached its all-time peak in 2012 with 29 births ranking #4840. Since 1996, the popularity has decreased by 30.8%. In 2025, approximately 1 in every 178,585 girls born was named Alethia. FALLING Recent data shows the name is currently falling.