Theodor is a distinctive boys' name in England & Wales, ranking #1522 in 2011 with 15 recorded births. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 400.0%. In 2011, approximately 1 in every 23,056 boys born was named Theodor. RISING Recent data shows the name is currently rising.