Althea is a distinctive girls' name in United States, ranking #1385 in 2018 with 162 recorded births. This places Althea in the top 8% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 244.7%. In 2018, approximately 1 in every 10,496 girls born was named Althea. STABLE Recent data shows the name is currently stable.