Alethia is a distinctive girls' name in United States, ranking #4515 in 1997 with 23 recorded births. The name reached its all-time peak in 2012 with 29 births ranking #4840. Since 1996, the popularity has increased by 76.9%. In 1997, approximately 1 in every 75,681 girls born was named Alethia. FALLING Recent data shows the name is currently falling.