Theodor is a distinctive boys' name in England & Wales, ranking #2425 in 1999 with 4 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 33.3%. In 1999, approximately 1 in every 75,809 boys born was named Theodor. RISING Recent data shows the name is currently rising.