Althea is a distinctive girls' name in United States, ranking #1668 in 2016 with 128 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 172.3%. In 2016, approximately 1 in every 13,840 girls born was named Althea. STABLE Recent data shows the name is currently stable.