Theodor is a distinctive boys' name in United States, ranking #4095 in 2011 with 25 recorded births. The name reached its all-time peak in 2022 with 88 births ranking #1836. Since 1996, the popularity has increased by 127.3%. In 2011, approximately 1 in every 75,960 boys born was named Theodor. FALLING Recent data shows the name is currently falling.