Theodor is a distinctive boys' name in England & Wales, ranking #1732 in 2004 with 9 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 200.0%. In 2004, approximately 1 in every 34,276 boys born was named Theodor. RISING Recent data shows the name is currently rising.