Theodor is a distinctive boys' name in England & Wales, ranking #627 in 2020 with 55 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 1,733.3%. In 2020, approximately 1 in every 5,254 boys born was named Theodor. RISING Recent data shows the name is currently rising.