Theodor is a distinctive boys' name in United States, ranking #2664 in 2013 with 45 recorded births. The name reached its all-time peak in 2022 with 88 births ranking #1836. Since 1996, the popularity has increased by 309.1%. In 2013, approximately 1 in every 42,028 boys born was named Theodor. FALLING Recent data shows the name is currently falling.