Althea is a distinctive girls' name in United States, ranking #2394 in 2003 with 69 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 46.8%. In 2003, approximately 1 in every 26,479 girls born was named Althea. STABLE Recent data shows the name is currently stable.