Althea is a distinctive girls' name in United States, ranking #1396 in 2024 with 160 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 240.4%. In 2024, approximately 1 in every 10,082 girls born was named Althea. STABLE Recent data shows the name is currently stable.