Theodor is a distinctive boys' name in England & Wales, ranking #774 in 2016 with 42 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 1,300.0%. In 2016, approximately 1 in every 7,903 boys born was named Theodor. RISING Recent data shows the name is currently rising.