Theodor is a distinctive boys' name in England & Wales, ranking #514 in 2021 with 76 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 2,433.3%. In 2021, approximately 1 in every 3,881 boys born was named Theodor. RISING Recent data shows the name is currently rising.