Theodor is a distinctive boys' name in England & Wales, ranking #1889 in 2000 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 2000, approximately 1 in every 48,860 boys born was named Theodor. RISING Recent data shows the name is currently rising.