Theodor is a distinctive boys' name in England & Wales, ranking #2074 in 1998 with 5 recorded births. This places Theodor in the bottom 45% 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 66.7%. In 1998, approximately 1 in every 62,094 boys born was named Theodor. RISING Recent data shows the name is currently rising.