Althea is a distinctive girls' name in United States, ranking #3051 in 2007 with 57 recorded births. The name reached its all-time peak in 2022 with 175 births ranking #1342. Since 1996, the popularity has increased by 21.3%. In 2007, approximately 1 in every 33,727 girls born was named Althea. STABLE Recent data shows the name is currently stable.