Theadora is a distinctive girls' name in England & Wales, ranking #665 in 2020 with 56 recorded births. The name reached its all-time peak in 2019 with 63 births ranking #623. Since 1996, the popularity has increased by 700.0%. In 2020, approximately 1 in every 4,793 girls born was named Theadora. STABLE Recent data shows the name is currently stable.