Alethia is a distinctive girls' name in United States, ranking #9135 in 2019 with 11 recorded births. The name reached its all-time peak in 2012 with 29 births ranking #4840. Since 1996, the popularity has decreased by 15.4%. In 2019, approximately 1 in every 152,507 girls born was named Alethia. FALLING Recent data shows the name is currently falling.