Theodor is a distinctive boys' name in United States, ranking #3660 in 2002 with 24 recorded births. The name reached its all-time peak in 2022 with 88 births ranking #1836. Since 1996, the popularity has increased by 118.2%. In 2002, approximately 1 in every 80,895 boys born was named Theodor. FALLING Recent data shows the name is currently falling.