Theodor is a distinctive boys' name in England & Wales, ranking #2418 in 2005 with 6 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 100.0%. In 2005, approximately 1 in every 51,574 boys born was named Theodor. RISING Recent data shows the name is currently rising.