Althea is a distinctive girls' name in United States, ranking #2767 in 2001 with 53 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 12.8%. In 2001, approximately 1 in every 33,973 girls born was named Althea. STABLE Recent data shows the name is currently stable.