Althea is a distinctive girls' name in England & Wales, ranking #1449 in 2024 with 22 recorded births. The name reached its all-time peak in 2021 with 30 births ranking #1128. Since 1996, the popularity has increased by 450.0%. In 2024, approximately 1 in every 11,727 girls born was named Althea. RISING Recent data shows the name is currently rising.