Theodor is a distinctive boys' name in England & Wales, ranking #2870 in 2006 with 5 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 66.7%. In 2006, approximately 1 in every 64,067 boys born was named Theodor. RISING Recent data shows the name is currently rising.