Theadora is a distinctive girls' name in England & Wales, ranking #709 in 2021 with 53 recorded births. The name reached its all-time peak in 2019 with 63 births ranking #623. Since 1996, the popularity has increased by 657.1%. In 2021, approximately 1 in every 5,170 girls born was named Theadora. STABLE Recent data shows the name is currently stable.