Agatha is a distinctive girls' name in United States, ranking #1703 in 2025 with 120 recorded births. The name reached its all-time peak in 2021 with 137 births ranking #1532. Since 1996, the popularity has increased by 757.1%. In 2025, approximately 1 in every 13,394 girls born was named Agatha. STABLE Recent data shows the name is currently stable.