Alethia is a distinctive girls' name in United States, ranking #5804 in 2014 with 22 recorded births. The name reached its all-time peak in 2012 with 29 births ranking #4840. Since 1996, the popularity has increased by 69.2%. In 2014, approximately 1 in every 81,179 girls born was named Alethia. FALLING Recent data shows the name is currently falling.