Theadora is a distinctive girls' name in England & Wales, ranking #1204 in 2014 with 28 recorded births. The name reached its all-time peak in 2019 with 63 births ranking #623. Since 1996, the popularity has increased by 300.0%. In 2014, approximately 1 in every 10,952 girls born was named Theadora. STABLE Recent data shows the name is currently stable.