Theodor is a distinctive boys' name in United States, ranking #2342 in 2014 with 56 recorded births. The name reached its all-time peak in 2022 with 88 births ranking #1836. Since 1996, the popularity has increased by 409.1%. In 2014, approximately 1 in every 34,294 boys born was named Theodor. FALLING Recent data shows the name is currently falling.