Althea is a distinctive girls' name in United States, ranking #2527 in 2005 with 68 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 44.7%. In 2005, approximately 1 in every 27,172 girls born was named Althea. STABLE Recent data shows the name is currently stable.