Theodor is a distinctive boys' name in England & Wales, ranking #1440 in 2007 with 15 recorded births. This places Theodor in the top 26% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 76 births ranking #514. Since 1996, the popularity has increased by 400.0%. In 2007, approximately 1 in every 22,090 boys born was named Theodor. RISING Recent data shows the name is currently rising.