Theodor is a distinctive boys' name in England & Wales, ranking #651 in 2023 with 54 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 1,700.0%. In 2023, approximately 1 in every 5,123 boys born was named Theodor. RISING Recent data shows the name is currently rising.